9913536568 has 16 divisors (see below), whose sum is σ = 20017718280. Its totient is φ = 4575478368.

The previous prime is 9913536559. The next prime is 9913536599. The reversal of 9913536568 is 8656353199.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47661130 + ... + 47661337.

Almost surely, 2^9913536568 is an apocalyptic number.

It is an amenable number.

9913536568 is an abundant number, since it is smaller than the sum of its proper divisors (10104181712).

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

9913536568 is a wasteful number, since it uses less digits than its factorization.

9913536568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95322486 (or 95322482 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 55.

The square root of 9913536568 is about 99566.7442874377. The cubic root of 9913536568 is about 2148.2073803339.

The spelling of 9913536568 in words is "nine billion, nine hundred thirteen million, five hundred thirty-six thousand, five hundred sixty-eight".