empowerd query auth address-by-acc-num [acc-num] [flags]

empowerd q auth address-by-acc-num 1

--grpc-addr string   the gRPC endpoint to use for this chain
      --grpc-insecure      allow gRPC over insecure channels, if not TLS the server must use TLS
      --height int         Use a specific height to query state at (this can error if the node is pruning state)
  -h, --help               help for address-by-acc-num
      --node string        \<host\>:\<port\> to Tendermint RPC interface for this chain (default "tcp://localhost:26657")
  -o, --output string      Output format (text|json) (default "text")