9979022529 has 30 divisors (see below), whose sum is σ = 17340727074. Its totient is φ = 5702296320.

The previous prime is 9979022519. The next prime is 9979022549. The reversal of 9979022529 is 9252209799.

9979022529 is a `hidden beast` number, since 9 + 9 + 7 + 90 + 22 + 529 = 666.

9979022529 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9278890929 + 700131600 = 96327^2 + 26460^2 .

It is not a de Polignac number, because 9979022529 - 2¹¹ = 9979020481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9979022519) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1253152 + ... + 1261089.

Almost surely, 2^9979022529 is an apocalyptic number.

It is an amenable number.

9979022529 is a deficient number, since it is larger than the sum of its proper divisors (7361704545).

9979022529 is a wasteful number, since it uses less digits than its factorization.

9979022529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514267 (or 2514251 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 9979022529 is about 99895.0575804429. The cubic root of 9979022529 is about 2152.9271490190.

The spelling of 9979022529 in words is "nine billion, nine hundred seventy-nine million, twenty-two thousand, five hundred twenty-nine".