564697796465 has 32 divisors (see below), whose sum is σ = 753909420672. Its totient is φ = 402554880000.

The previous prime is 564697796423. The next prime is 564697796489.

564697796465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564697796465 - 2¹⁶ = 564697730929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564697796392 and 564697796401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2971505 + ... + 3155825.

It is an arithmetic number, because the mean of its divisors is an integer number (23559669396).

Almost surely, 2^564697796465 is an apocalyptic number.

564697796465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564697796465 is a deficient number, since it is larger than the sum of its proper divisors (189211624207).

564697796465 is a wasteful number, since it uses less digits than its factorization.

564697796465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185441.

The product of its digits is 2057529600, while the sum is 74.

The spelling of 564697796465 in words is "five hundred sixty-four billion, six hundred ninety-seven million, seven hundred ninety-six thousand, four hundred sixty-five".