Private key was enough. Privatekey was the main thing that you are looking for and you can use this to open your wallet anytime in the various ethereum wallets or any wallet that compatible with ethereum blockchain. In my opinion if your password is useless for now as you have privatekey in your hand. You can also try to take open use your privatekey anytime. This is the main important thing to be used. You must not feel worry if you are losing your password as long as you have privatekey to open it anytime.,
It's safe to hodl it as long as you can keep it in safe place