564316869 has 4 divisors (see below), whose sum is σ = 752422496. Its totient is φ = 376211244.

The previous prime is 564316867. The next prime is 564316889. The reversal of 564316869 is 968613465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 564316869 - 2¹ = 564316867 is a prime.

It is a super-2 number, since 2×564316869² = 636907057275926322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564316861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94052809 + ... + 94052814.

It is an arithmetic number, because the mean of its divisors is an integer number (188105624).

Almost surely, 2^564316869 is an apocalyptic number.

It is an amenable number.

564316869 is a deficient number, since it is larger than the sum of its proper divisors (188105627).

564316869 is a wasteful number, since it uses less digits than its factorization.

564316869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188105626.

The product of its digits is 933120, while the sum is 48.

The square root of 564316869 is about 23755.3545332416. The cubic root of 564316869 is about 826.3696228518.

The spelling of 564316869 in words is "five hundred sixty-four million, three hundred sixteen thousand, eight hundred sixty-nine".