104631564569 has 24 divisors (see below), whose sum is σ = 126650617920. Its totient is φ = 84663172512.

The previous prime is 104631564563. The next prime is 104631564673. The reversal of 104631564569 is 965465136401.

It is not a de Polignac number, because 104631564569 - 2²⁸ = 104363129113 is a prime.

It is a super-2 number, since 2×104631564569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104631564563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641987 + ... + 788295.

It is an arithmetic number, because the mean of its divisors is an integer number (5277109080).

Almost surely, 2^104631564569 is an apocalyptic number.

104631564569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

104631564569 is a deficient number, since it is larger than the sum of its proper divisors (22019053351).

104631564569 is a wasteful number, since it uses less digits than its factorization.

104631564569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146637 (or 146618 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 104631564569 in words is "one hundred four billion, six hundred thirty-one million, five hundred sixty-four thousand, five hundred sixty-nine".