Q: What is the negative version of the number 646,044,421?
A: -646,044,421
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:
| 646,044,419 | 646,044,420 | 646,044,422 | 646,044,423 |
| -646,044,419 | -646,044,420 | -646,044,422 | -646,044,423 |