564554455465 has 128 divisors (see below), whose sum is σ = 933027185664. Its totient is φ = 316514304000.

The previous prime is 564554455459. The next prime is 564554455477.

564554455465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564554455465 - 2⁵ = 564554455433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 217721209 + ... + 217723801.

It is an arithmetic number, because the mean of its divisors is an integer number (7289274888).

Almost surely, 2^564554455465 is an apocalyptic number.

564554455465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564554455465 is a deficient number, since it is larger than the sum of its proper divisors (368472730199).

564554455465 is a wasteful number, since it uses less digits than its factorization.

564554455465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 144000000, while the sum is 58.

The spelling of 564554455465 in words is "five hundred sixty-four billion, five hundred fifty-four million, four hundred fifty-five thousand, four hundred sixty-five".