104643643612 has 6 divisors (see below), whose sum is σ = 183126376328. Its totient is φ = 52321821804.

The previous prime is 104643643541. The next prime is 104643643613. The reversal of 104643643612 is 216346346401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104643643613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080455448 + ... + 13080455455.

Almost surely, 2^104643643612 is an apocalyptic number.

It is an amenable number.

104643643612 is a deficient number, since it is larger than the sum of its proper divisors (78482732716).

104643643612 is a wasteful number, since it uses less digits than its factorization.

104643643612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160910907 (or 26160910905 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 104643643612 in words is "one hundred four billion, six hundred forty-three million, six hundred forty-three thousand, six hundred twelve".