Q: What is the negative version of the number 664,604,459?
A: -664,604,459
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:
| 664,604,457 | 664,604,458 | 664,604,460 | 664,604,461 |
| -664,604,457 | -664,604,458 | -664,604,460 | -664,604,461 |