3531620564 has 24 divisors (see below), whose sum is σ = 6382725888. Its totient is φ = 1708038720.

The previous prime is 3531620557. The next prime is 3531620581. The reversal of 3531620564 is 4650261353.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319067 + ... + 329949.

It is an arithmetic number, because the mean of its divisors is an integer number (265946912).

Almost surely, 2^3531620564 is an apocalyptic number.

It is an amenable number.

3531620564 is a deficient number, since it is larger than the sum of its proper divisors (2851105324).

3531620564 is a wasteful number, since it uses less digits than its factorization.

3531620564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535 (or 13533 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 3531620564 is about 59427.4394871595. The cubic root of 3531620564 is about 1522.8531021325.

The spelling of 3531620564 in words is "three billion, five hundred thirty-one million, six hundred twenty thousand, five hundred sixty-four".