The president of the United States enjoys absolute immunity

The president of the United States enjoys absolute immunity from many lawsuits while in office; it is legally untested whether they also enjoy criminal immunity from arrest or prosecution.[a] Neither civil nor criminal immunity is explicitly granted in the Constitution or any federal statute.[1]

https://en.wikipedia.org/wiki/Presidential_immunity_in_the_United_States#:~:text=The%20president%20of%20the%20United,Constitution%20or%20any%20federal%20statute.