9980367530 has 24 divisors (see below), whose sum is σ = 20897668548. Its totient is φ = 3421840128.

The previous prime is 9980367521. The next prime is 9980367533. The reversal of 9980367530 is 357630899.

It can be written as a sum of positive squares in 2 ways, for example, as 9370820809 + 609546721 = 96803^2 + 24689^2 .

It is not an unprimeable number, because it can be changed into a prime (9980367533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10183559 + ... + 10184538.

Almost surely, 2^9980367530 is an apocalyptic number.

9980367530 is an abundant number, since it is smaller than the sum of its proper divisors (10917301018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9980367530 is a wasteful number, since it uses less digits than its factorization.

9980367530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368118 (or 20368111 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 9980367530 is about 99901.7894234132. The cubic root of 9980367530 is about 2153.0238705524.

The spelling of 9980367530 in words is "nine billion, nine hundred eighty million, three hundred sixty-seven thousand, five hundred thirty".