Q: What is the negative version of the number 25,421,639?
A: -25,421,639
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:
| 25,421,637 | 25,421,638 | 25,421,640 | 25,421,641 |
| -25,421,637 | -25,421,638 | -25,421,640 | -25,421,641 |