13391351939 has 8 divisors (see below), whose sum is σ = 15969811200. Its totient is φ = 10979244936.

The previous prime is 13391351923. The next prime is 13391351957. The reversal of 13391351939 is 93915319331.

13391351939 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 13391351939 - 2⁴ = 13391351923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13391351893 and 13391351902.

It is not an unprimeable number, because it can be changed into a prime (13391351959) 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, 41587889 + ... + 41588210.

It is an arithmetic number, because the mean of its divisors is an integer number (1996226400).

Almost surely, 2^13391351939 is an apocalyptic number.

13391351939 is a deficient number, since it is larger than the sum of its proper divisors (2578459261).

13391351939 is an equidigital number, since it uses as much as digits as its factorization.

13391351939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83176129.

The product of its digits is 295245, while the sum is 47.

The spelling of 13391351939 in words is "thirteen billion, three hundred ninety-one million, three hundred fifty-one thousand, nine hundred thirty-nine".