9533856672 has 36 divisors (see below), whose sum is σ = 27111905730. Its totient is φ = 3177952128.

The previous prime is 9533856643. The next prime is 9533856697. The reversal of 9533856672 is 2766583359.

It is a happy number.

9533856672 is a `hidden beast` number, since 9 + 5 + 3 + 3 + 8 + 566 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5530004496 + 4003852176 = 74364^2 + 63276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16551547 + ... + 16552122.

Almost surely, 2^9533856672 is an apocalyptic number.

It is an amenable number.

9533856672 is an abundant number, since it is smaller than the sum of its proper divisors (17578049058).

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

9533856672 is a wasteful number, since it uses less digits than its factorization.

9533856672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33103685 (or 33103674 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 9533856672 is about 97641.4700421906. The cubic root of 9533856672 is about 2120.4247896853.

The spelling of 9533856672 in words is "nine billion, five hundred thirty-three million, eight hundred fifty-six thousand, six hundred seventy-two".