13079331091 has 4 divisors (see below), whose sum is σ = 13206314992. Its totient is φ = 12952347192.

The previous prime is 13079331077. The next prime is 13079331121. The reversal of 13079331091 is 19013397031.

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-13079331091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13079331091.

It is not an unprimeable number, because it can be changed into a prime (13079331011) 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, 63491796 + ... + 63492001.

It is an arithmetic number, because the mean of its divisors is an integer number (3301578748).

Almost surely, 2^13079331091 is an apocalyptic number.

13079331091 is a deficient number, since it is larger than the sum of its proper divisors (126983901).

13079331091 is a wasteful number, since it uses less digits than its factorization.

13079331091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126983900.

The product of its (nonzero) digits is 15309, while the sum is 37.

The spelling of 13079331091 in words is "thirteen billion, seventy-nine million, three hundred thirty-one thousand, ninety-one".