13979595489 has 4 divisors (see below), whose sum is σ = 18639460656. Its totient is φ = 9319730324.

The previous prime is 13979595451. The next prime is 13979595527. The reversal of 13979595489 is 98459597931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98459597931 = 3 ⋅32819865977.

It is an interprime number because it is at equal distance from previous prime (13979595451) and next prime (13979595527).

It is a cyclic number.

It is not a de Polignac number, because 13979595489 - 2⁸ = 13979595233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13979595419) 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, 2329932579 + ... + 2329932584.

It is an arithmetic number, because the mean of its divisors is an integer number (4659865164).

Almost surely, 2^13979595489 is an apocalyptic number.

It is an amenable number.

13979595489 is a deficient number, since it is larger than the sum of its proper divisors (4659865167).

13979595489 is an equidigital number, since it uses as much as digits as its factorization.

13979595489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659865166.

The product of its digits is 110224800, while the sum is 69.

The spelling of 13979595489 in words is "thirteen billion, nine hundred seventy-nine million, five hundred ninety-five thousand, four hundred eighty-nine".