Q: What is the negative version of the number 664,013,423?
A: -664,013,423
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:
| 664,013,421 | 664,013,422 | 664,013,424 | 664,013,425 |
| -664,013,421 | -664,013,422 | -664,013,424 | -664,013,425 |