Q: What is the negative version of the number 25,399,209?
A: -25,399,209
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:
| 25,399,207 | 25,399,208 | 25,399,210 | 25,399,211 |
| -25,399,207 | -25,399,208 | -25,399,210 | -25,399,211 |