12389319913 has 4 divisors (see below), whose sum is σ = 12390641920. Its totient is φ = 12387997908.

The previous prime is 12389319881. The next prime is 12389319979. The reversal of 12389319913 is 31991398321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12389319913 - 2⁵ = 12389319881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12389316913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646845 + ... + 665722.

It is an arithmetic number, because the mean of its divisors is an integer number (3097660480).

Almost surely, 2^12389319913 is an apocalyptic number.

It is an amenable number.

12389319913 is a deficient number, since it is larger than the sum of its proper divisors (1322007).

12389319913 is an equidigital number, since it uses as much as digits as its factorization.

12389319913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322006.

The product of its digits is 314928, while the sum is 49.

The spelling of 12389319913 in words is "twelve billion, three hundred eighty-nine million, three hundred nineteen thousand, nine hundred thirteen".