14721597979 has 24 divisors (see below), whose sum is σ = 16345274400. Its totient is φ = 13248533760.

The previous prime is 14721597937. The next prime is 14721597991. The reversal of 14721597979 is 97979512741.

It is not a de Polignac number, because 14721597979 - 2¹³ = 14721589787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14721597929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6074562 + ... + 6076984.

It is an arithmetic number, because the mean of its divisors is an integer number (681053100).

Almost surely, 2^14721597979 is an apocalyptic number.

14721597979 is a deficient number, since it is larger than the sum of its proper divisors (1623676421).

14721597979 is a wasteful number, since it uses less digits than its factorization.

14721597979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2920 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 61.

The spelling of 14721597979 in words is "fourteen billion, seven hundred twenty-one million, five hundred ninety-seven thousand, nine hundred seventy-nine".