12393938967 has 8 divisors (see below), whose sum is σ = 16688868720. Its totient is φ = 8180817600.

The previous prime is 12393938959. The next prime is 12393938987. The reversal of 12393938967 is 76983939321.

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

It is not a de Polignac number, because 12393938967 - 2³ = 12393938959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12393938967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393938987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20451742 + ... + 20452347.

It is an arithmetic number, because the mean of its divisors is an integer number (2086108590).

Almost surely, 2^12393938967 is an apocalyptic number.

12393938967 is a deficient number, since it is larger than the sum of its proper divisors (4294929753).

12393938967 is a wasteful number, since it uses less digits than its factorization.

12393938967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40904193.

The product of its digits is 13226976, while the sum is 60.

The spelling of 12393938967 in words is "twelve billion, three hundred ninety-three million, nine hundred thirty-eight thousand, nine hundred sixty-seven".