564430845 has 16 divisors (see below), whose sum is σ = 985188672. Its totient is φ = 273663360.

The previous prime is 564430837. The next prime is 564430871. The reversal of 564430845 is 548034465.

It is not a de Polignac number, because 564430845 - 2³ = 564430837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710232 + ... + 1710561.

It is an arithmetic number, because the mean of its divisors is an integer number (61574292).

Almost surely, 2^564430845 is an apocalyptic number.

564430845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564430845 is a deficient number, since it is larger than the sum of its proper divisors (420757827).

564430845 is a wasteful number, since it uses less digits than its factorization.

564430845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420812.

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 564430845 is about 23757.7533660066. The cubic root of 564430845 is about 826.4252535143.

The spelling of 564430845 in words is "five hundred sixty-four million, four hundred thirty thousand, eight hundred forty-five".