5609521956 has 12 divisors (see below), whose sum is σ = 13088884592. Its totient is φ = 1869840648.

The previous prime is 5609521949. The next prime is 5609521963. The reversal of 5609521956 is 6591259065.

It is an interprime number because it is at equal distance from previous prime (5609521949) and next prime (5609521963).

It is a tau number, because it is divible by the number of its divisors (12).

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, 233730070 + ... + 233730093.

Almost surely, 2^5609521956 is an apocalyptic number.

It is an amenable number.

5609521956 is an abundant number, since it is smaller than the sum of its proper divisors (7479362636).

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

5609521956 is a wasteful number, since it uses less digits than its factorization.

5609521956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467460170 (or 467460168 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 5609521956 is about 74896.7419585125. The cubic root of 5609521956 is about 1776.8139315142.

The spelling of 5609521956 in words is "five billion, six hundred nine million, five hundred twenty-one thousand, nine hundred fifty-six".