Q: What is the negative version of the number 64,821,409?
A: -64,821,409
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 64,821,407 | 64,821,408 | 64,821,410 | 64,821,411 |
| -64,821,407 | -64,821,408 | -64,821,410 | -64,821,411 |