Q: What is the negative version of the number 64,615,221?
A: -64,615,221
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:
| 64,615,219 | 64,615,220 | 64,615,222 | 64,615,223 |
| -64,615,219 | -64,615,220 | -64,615,222 | -64,615,223 |