5638812852 has 24 divisors (see below), whose sum is σ = 13277941600. Its totient is φ = 1862359776.

The previous prime is 5638812833. The next prime is 5638812899. The reversal of 5638812852 is 2582188365.

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, 2154202 + ... + 2156817.

Almost surely, 2^5638812852 is an apocalyptic number.

It is an amenable number.

5638812852 is an abundant number, since it is smaller than the sum of its proper divisors (7639128748).

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

5638812852 is a wasteful number, since it uses less digits than its factorization.

5638812852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311135 (or 4311133 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 5638812852 is about 75092.0292174875. The cubic root of 5638812852 is about 1779.9011909129.

The spelling of 5638812852 in words is "five billion, six hundred thirty-eight million, eight hundred twelve thousand, eight hundred fifty-two".