12939424319 has 8 divisors (see below), whose sum is σ = 13841811648. Its totient is φ = 12052730880.

The previous prime is 12939424297. The next prime is 12939424321. The reversal of 12939424319 is 91342493921.

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 12939424319 - 2⁸ = 12939424063 is a prime.

It is a super-2 number, since 2×12939424319² (a number of 21 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 (12939424349) 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, 3921767 + ... + 3925064.

It is an arithmetic number, because the mean of its divisors is an integer number (1730226456).

Almost surely, 2^12939424319 is an apocalyptic number.

12939424319 is a deficient number, since it is larger than the sum of its proper divisors (902387329).

12939424319 is an equidigital number, since it uses as much as digits as its factorization.

12939424319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846945.

The product of its digits is 419904, while the sum is 47.

The spelling of 12939424319 in words is "twelve billion, nine hundred thirty-nine million, four hundred twenty-four thousand, three hundred nineteen".