13615000979 has 4 divisors (see below), whose sum is σ = 13618144584. Its totient is φ = 13611857376.

The previous prime is 13615000951. The next prime is 13615001039. The reversal of 13615000979 is 97900051631.

13615000979 = T₂ + T₃ + ... + T₄₃₃₈.

13615000979 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, and also an emirpimes, since its reverse is a distinct semiprime: 97900051631 = 59 ⋅1659322909.

It is a cyclic number.

It is not a de Polignac number, because 13615000979 - 2²⁰ = 13613952403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13615000079) 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, 1565297 + ... + 1573970.

It is an arithmetic number, because the mean of its divisors is an integer number (3404536146).

Almost surely, 2^13615000979 is an apocalyptic number.

13615000979 is a deficient number, since it is larger than the sum of its proper divisors (3143605).

13615000979 is an equidigital number, since it uses as much as digits as its factorization.

13615000979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143604.

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 13615000979 in words is "thirteen billion, six hundred fifteen million, nine hundred seventy-nine", and thus it is an aban number.