2 Billion Enchants

In Minecraft versions below 1.17.1 enchants could go up to level -2,147,483,648 to level 2,147,483,647. This is also known as the 32-Bit integer limit.

1610605583
Deals 1024 damage. Seems to be a separate kind of damage from the damage sharpness deals. Needs more info.

2727997
Hitting anything with this heals them for 1 HP