Q: What is the negative version of the number 641,425,621?
A: -641,425,621
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:
| 641,425,619 | 641,425,620 | 641,425,622 | 641,425,623 |
| -641,425,619 | -641,425,620 | -641,425,622 | -641,425,623 |