Q: What is the negative version of the number 261,621,409?
A: -261,621,409
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:
| 261,621,407 | 261,621,408 | 261,621,410 | 261,621,411 |
| -261,621,407 | -261,621,408 | -261,621,410 | -261,621,411 |