13972698185 has 4 divisors (see below), whose sum is σ = 16767237828. Its totient is φ = 11178158544.

The previous prime is 13972698143. The next prime is 13972698193. The reversal of 13972698185 is 58189627931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10019809801 + 3952888384 = 100099^2 + 62872^2 .

It is a cyclic number.

It is not a de Polignac number, because 13972698185 - 2¹⁰ = 13972697161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397269814 + ... + 1397269823.

It is an arithmetic number, because the mean of its divisors is an integer number (4191809457).

Almost surely, 2^13972698185 is an apocalyptic number.

It is an amenable number.

13972698185 is a deficient number, since it is larger than the sum of its proper divisors (2794539643).

13972698185 is an equidigital number, since it uses as much as digits as its factorization.

13972698185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794539642.

The product of its digits is 6531840, while the sum is 59.

The spelling of 13972698185 in words is "thirteen billion, nine hundred seventy-two million, six hundred ninety-eight thousand, one hundred eighty-five".