100645569964 has 6 divisors (see below), whose sum is σ = 176129747444. Its totient is φ = 50322784980.

The previous prime is 100645569949. The next prime is 100645569979. The reversal of 100645569964 is 469965546001.

It is an interprime number because it is at equal distance from previous prime (100645569949) and next prime (100645569979).

It is a super-2 number, since 2×100645569964² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580696242 + ... + 12580696249.

Almost surely, 2^100645569964 is an apocalyptic number.

It is an amenable number.

100645569964 is a deficient number, since it is larger than the sum of its proper divisors (75484177480).

100645569964 is a wasteful number, since it uses less digits than its factorization.

100645569964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25161392495 (or 25161392493 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 100645569964 in words is "one hundred billion, six hundred forty-five million, five hundred sixty-nine thousand, nine hundred sixty-four".