564646465 has 16 divisors (see below), whose sum is σ = 730638720. Its totient is φ = 417502080.

The previous prime is 564646451. The next prime is 564646469.

564646465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564646465 - 2¹³ = 564638273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564646469) 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 15 ways as a sum of consecutive naturals, for example, 68589 + ... + 76378.

It is an arithmetic number, because the mean of its divisors is an integer number (45664920).

Almost surely, 2^564646465 is an apocalyptic number.

It is an amenable number.

564646465 is a deficient number, since it is larger than the sum of its proper divisors (165992255).

564646465 is a wasteful number, since it uses less digits than its factorization.

564646465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145032.

The product of its digits is 2073600, while the sum is 46.

The square root of 564646465 is about 23762.2908197000. The cubic root of 564646465 is about 826.5304752191.

The spelling of 564646465 in words is "five hundred sixty-four million, six hundred forty-six thousand, four hundred sixty-five".