12641702648 has 16 divisors (see below), whose sum is σ = 23728395960. Its totient is φ = 6314130400.

The previous prime is 12641702627. The next prime is 12641702653. The reversal of 12641702648 is 84620714621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832118 + ... + 847173.

Almost surely, 2^12641702648 is an apocalyptic number.

It is an amenable number.

12641702648 is a deficient number, since it is larger than the sum of its proper divisors (11086693312).

12641702648 is a wasteful number, since it uses less digits than its factorization.

12641702648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680238 (or 1680234 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 12641702648 in words is "twelve billion, six hundred forty-one million, seven hundred two thousand, six hundred forty-eight".