9556913970 has 96 divisors (see below), whose sum is σ = 26404438320. Its totient is φ = 2389954560.

The previous prime is 9556913963. The next prime is 9556914007. The reversal of 9556913970 is 793196559.

9556913970 is a `hidden beast` number, since 9 + 5 + 569 + 1 + 3 + 9 + 70 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5232930921 + 4323983049 = 72339^2 + 65757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418816 + ... + 441044.

Almost surely, 2^9556913970 is an apocalyptic number.

9556913970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9556913970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13202219160).

9556913970 is an abundant number, since it is smaller than the sum of its proper divisors (16847524350).

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

9556913970 is a wasteful number, since it uses less digits than its factorization.

9556913970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22540 (or 22537 counting only the distinct ones).

The product of its (nonzero) digits is 2296350, while the sum is 54.

The square root of 9556913970 is about 97759.4699760591. The cubic root of 9556913970 is about 2122.1328044960.

The spelling of 9556913970 in words is "nine billion, five hundred fifty-six million, nine hundred thirteen thousand, nine hundred seventy".