9433971656 has 16 divisors (see below), whose sum is σ = 18619681200. Its totient is φ = 4468723344.

The previous prime is 9433971623. The next prime is 9433971661. The reversal of 9433971656 is 6561793349.

It is a super-2 number, since 2×9433971656² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9433971598 and 9433971607.

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, 31032650 + ... + 31032953.

It is an arithmetic number, because the mean of its divisors is an integer number (1163730075).

Almost surely, 2^9433971656 is an apocalyptic number.

It is an amenable number.

9433971656 is a deficient number, since it is larger than the sum of its proper divisors (9185709544).

9433971656 is a wasteful number, since it uses less digits than its factorization.

9433971656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62065628 (or 62065624 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 53.

The square root of 9433971656 is about 97128.6345832165. The cubic root of 9433971656 is about 2112.9936360084.

The spelling of 9433971656 in words is "nine billion, four hundred thirty-three million, nine hundred seventy-one thousand, six hundred fifty-six".