12609162432639 has 24 divisors (see below), whose sum is σ = 19023232082400. Its totient is φ = 8032960142592.

The previous prime is 12609162432611. The next prime is 12609162432661. The reversal of 12609162432639 is 93623426190621.

12609162432639 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 9 + 1 + 624 + 3 + 2 + 6 + 3 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12609162432639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609162432679) 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, 28817094 + ... + 29251379.

It is an arithmetic number, because the mean of its divisors is an integer number (792634670100).

Almost surely, 2^{12609162432639} is an apocalyptic number.

12609162432639 is a deficient number, since it is larger than the sum of its proper divisors (6414069649761).

12609162432639 is a wasteful number, since it uses less digits than its factorization.

12609162432639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58069551 (or 58069548 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 12609162432639 in words is "twelve trillion, six hundred nine billion, one hundred sixty-two million, four hundred thirty-two thousand, six hundred thirty-nine".