12568883944639 has 16 divisors (see below), whose sum is σ = 13887305712000. Its totient is φ = 11280679981920.

The previous prime is 12568883944583. The next prime is 12568883944649. The reversal of 12568883944639 is 93644938886521.

It is a cyclic number.

It is not a de Polignac number, because 12568883944639 - 2¹⁹ = 12568883420351 is a prime.

It is a super-2 number, since 2×12568883944639² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568883944649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22688124 + ... + 23235505.

It is an arithmetic number, because the mean of its divisors is an integer number (867956607000).

Almost surely, 2^{12568883944639} is an apocalyptic number.

12568883944639 is a deficient number, since it is larger than the sum of its proper divisors (1318421767361).

12568883944639 is a wasteful number, since it uses less digits than its factorization.

12568883944639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45923958.

The product of its digits is 2149908480, while the sum is 76.

The spelling of 12568883944639 in words is "twelve trillion, five hundred sixty-eight billion, eight hundred eighty-three million, nine hundred forty-four thousand, six hundred thirty-nine".