2645536568 has 16 divisors (see below), whose sum is σ = 4983893160. Its totient is φ = 1316498400.

The previous prime is 2645536547. The next prime is 2645536589. The reversal of 2645536568 is 8656355462.

It is an interprime number because it is at equal distance from previous prime (2645536547) and next prime (2645536589).

It is a congruent number.

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, 781943 + ... + 785318.

Almost surely, 2^2645536568 is an apocalyptic number.

It is an amenable number.

2645536568 is a deficient number, since it is larger than the sum of its proper divisors (2338356592).

2645536568 is a wasteful number, since it uses less digits than its factorization.

2645536568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567478 (or 1567474 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The square root of 2645536568 is about 51434.7797506707. The cubic root of 2645536568 is about 1383.0501337074.

The spelling of 2645536568 in words is "two billion, six hundred forty-five million, five hundred thirty-six thousand, five hundred sixty-eight".