564686465 has 16 divisors (see below), whose sum is σ = 774880128. Its totient is φ = 386987136.

The previous prime is 564686461. The next prime is 564686477.

564686465 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 564686465 - 2² = 564686461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564686461) 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, 74909 + ... + 82101.

It is an arithmetic number, because the mean of its divisors is an integer number (48430008).

Almost surely, 2^564686465 is an apocalyptic number.

It is an amenable number.

564686465 is a deficient number, since it is larger than the sum of its proper divisors (210193663).

564686465 is a wasteful number, since it uses less digits than its factorization.

564686465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448.

The product of its digits is 4147200, while the sum is 50.

The square root of 564686465 is about 23763.1324744866. The cubic root of 564686465 is about 826.5499921147.

The spelling of 564686465 in words is "five hundred sixty-four million, six hundred eighty-six thousand, four hundred sixty-five".