Q: What is the negative version of the number 642,621,541?
A: -642,621,541
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:
| 642,621,539 | 642,621,540 | 642,621,542 | 642,621,543 |
| -642,621,539 | -642,621,540 | -642,621,542 | -642,621,543 |