564813388 has 6 divisors (see below), whose sum is σ = 988423436. Its totient is φ = 282406692.

The previous prime is 564813331. The next prime is 564813401. The reversal of 564813388 is 883318465.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70601670 + ... + 70601677.

Almost surely, 2^564813388 is an apocalyptic number.

It is an amenable number.

564813388 is a deficient number, since it is larger than the sum of its proper divisors (423610048).

564813388 is a wasteful number, since it uses less digits than its factorization.

564813388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141203351 (or 141203349 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 564813388 is about 23765.8029109054. The cubic root of 564813388 is about 826.6119145868.

The spelling of 564813388 in words is "five hundred sixty-four million, eight hundred thirteen thousand, three hundred eighty-eight".