13929037979 has 4 divisors (see below), whose sum is σ = 13934949984. Its totient is φ = 13923125976.

The previous prime is 13929037957. The next prime is 13929037987. The reversal of 13929037979 is 97973092931.

13929037979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13929037979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13929037909) 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 3 ways as a sum of consecutive naturals, for example, 2952467 + ... + 2957180.

It is an arithmetic number, because the mean of its divisors is an integer number (3483737496).

Almost surely, 2^13929037979 is an apocalyptic number.

13929037979 is a deficient number, since it is larger than the sum of its proper divisors (5912005).

13929037979 is an equidigital number, since it uses as much as digits as its factorization.

13929037979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912004.

The product of its (nonzero) digits is 5786802, while the sum is 59.

The spelling of 13929037979 in words is "thirteen billion, nine hundred twenty-nine million, thirty-seven thousand, nine hundred seventy-nine".