12939936663 has 8 divisors (see below), whose sum is σ = 17253979776. Its totient is φ = 8626259000.

The previous prime is 12939936623. The next prime is 12939936679. The reversal of 12939936663 is 36663993921.

It is a happy number.

12939936663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12939936663 - 2⁶ = 12939936599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939936623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118 + ... + 160988.

It is an arithmetic number, because the mean of its divisors is an integer number (2156747472).

Almost surely, 2^12939936663 is an apocalyptic number.

12939936663 is a deficient number, since it is larger than the sum of its proper divisors (4314043113).

12939936663 is a wasteful number, since it uses less digits than its factorization.

12939936663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182725.

The product of its digits is 8503056, while the sum is 57.

The spelling of 12939936663 in words is "twelve billion, nine hundred thirty-nine million, nine hundred thirty-six thousand, six hundred sixty-three".