564724269 has 6 divisors (see below), whose sum is σ = 815712846. Its totient is φ = 376482840.

The previous prime is 564724261. The next prime is 564724291. The reversal of 564724269 is 962427465.

564724269 is a `hidden beast` number, since 564 + 7 + 24 + 2 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 564680169 + 44100 = 23763^2 + 210^2 .

It is not a de Polignac number, because 564724269 - 2³ = 564724261 is a prime.

It is a super-2 number, since 2×564724269² = 637826999995168722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564724261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31373562 + ... + 31373579.

It is an arithmetic number, because the mean of its divisors is an integer number (135952141).

Almost surely, 2^564724269 is an apocalyptic number.

It is an amenable number.

564724269 is a deficient number, since it is larger than the sum of its proper divisors (250988577).

564724269 is a wasteful number, since it uses less digits than its factorization.

564724269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62747147 (or 62747144 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 564724269 is about 23763.9278950261. The cubic root of 564724269 is about 826.5684366856.

The spelling of 564724269 in words is "five hundred sixty-four million, seven hundred twenty-four thousand, two hundred sixty-nine".