15014973979 has 4 divisors (see below), whose sum is σ = 15046320960. Its totient is φ = 14983627000.

The previous prime is 15014973973. The next prime is 15014974027. The reversal of 15014973979 is 97937941051.

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

It is a cyclic number.

It is not a de Polignac number, because 15014973979 - 2⁵ = 15014973947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15014973973) 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, 15672772 + ... + 15673729.

It is an arithmetic number, because the mean of its divisors is an integer number (3761580240).

Almost surely, 2^15014973979 is an apocalyptic number.

15014973979 is a deficient number, since it is larger than the sum of its proper divisors (31346981).

15014973979 is an equidigital number, since it uses as much as digits as its factorization.

15014973979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346980.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 15014973979 in words is "fifteen billion, fourteen million, nine hundred seventy-three thousand, nine hundred seventy-nine".