Q: What is the negative version of the number 61,821,409?
A: -61,821,409
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:
| 61,821,407 | 61,821,408 | 61,821,410 | 61,821,411 |
| -61,821,407 | -61,821,408 | -61,821,410 | -61,821,411 |