564742320577 has 16 divisors (see below), whose sum is σ = 579452702400. Its totient is φ = 550105036992.

The previous prime is 564742320547. The next prime is 564742320587. The reversal of 564742320577 is 775023247465.

564742320577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564742320577 is a prime.

It is a super-2 number, since 2×564742320577² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564742320547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38809299 + ... + 38823847.

It is an arithmetic number, because the mean of its divisors is an integer number (36215793900).

Almost surely, 2^564742320577 is an apocalyptic number.

It is an amenable number.

564742320577 is a deficient number, since it is larger than the sum of its proper divisors (14710381823).

564742320577 is a wasteful number, since it uses less digits than its factorization.

564742320577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992.

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 564742320577 in words is "five hundred sixty-four billion, seven hundred forty-two million, three hundred twenty thousand, five hundred seventy-seven".