564556868655465 has 32 divisors (see below), whose sum is σ = 1060233439829760. Its totient is φ = 251107919956224.

The previous prime is 564556868655463. The next prime is 564556868655467.

It is a happy number.

564556868655465 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (564556868655463) and next prime (564556868655467).

It is not a de Polignac number, because 564556868655465 - 2¹ = 564556868655463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564556868655463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72658537770 + ... + 72658545539.

It is an arithmetic number, because the mean of its divisors is an integer number (33132294994680).

Almost surely, 2^{564556868655465} is an apocalyptic number.

It is an amenable number.

564556868655465 is a deficient number, since it is larger than the sum of its proper divisors (495676571174295).

564556868655465 is a wasteful number, since it uses less digits than its factorization.

564556868655465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145317083361.

The product of its digits is 124416000000, while the sum is 84.

The spelling of 564556868655465 in words is "five hundred sixty-four trillion, five hundred fifty-six billion, eight hundred sixty-eight million, six hundred fifty-five thousand, four hundred sixty-five".