9629470656 has 168 divisors, whose sum is σ = 29917282304. Its totient is φ = 2943682560.

The previous prime is 9629470639. The next prime is 9629470663. The reversal of 9629470656 is 6560749269.

9629470656 is a `hidden beast` number, since 9 + 629 + 4 + 7 + 0 + 6 + 5 + 6 = 666.

It is a super-2 number, since 2×9629470656² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1171521 + ... + 1179711.

Almost surely, 2^9629470656 is an apocalyptic number.

9629470656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9629470656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14958641152).

9629470656 is an abundant number, since it is smaller than the sum of its proper divisors (20287811648).

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

9629470656 is a wasteful number, since it uses less digits than its factorization.

9629470656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8366 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 9629470656 is about 98129.8662793341. The cubic root of 9629470656 is about 2127.4897253903.

The spelling of 9629470656 in words is "nine billion, six hundred twenty-nine million, four hundred seventy thousand, six hundred fifty-six".