12641013635 has 8 divisors (see below), whose sum is σ = 15170131680. Its totient is φ = 10112200704.

The previous prime is 12641013617. The next prime is 12641013643. The reversal of 12641013635 is 53631014621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12641013635 - 2⁸ = 12641013379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27779 + ... + 161411.

It is an arithmetic number, because the mean of its divisors is an integer number (1896266460).

Almost surely, 2^12641013635 is an apocalyptic number.

12641013635 is a deficient number, since it is larger than the sum of its proper divisors (2529118045).

12641013635 is a wasteful number, since it uses less digits than its factorization.

12641013635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152557.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 12641013635 in words is "twelve billion, six hundred forty-one million, thirteen thousand, six hundred thirty-five".