13620889234 has 8 divisors (see below), whose sum is σ = 20496610620. Its totient is φ = 6788685696.

The previous prime is 13620889223. The next prime is 13620889297. The reversal of 13620889234 is 43298802631.

It can be written as a sum of positive squares in 2 ways, for example, as 10200394009 + 3420495225 = 100997^2 + 58485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10878679 + ... + 10879930.

Almost surely, 2^13620889234 is an apocalyptic number.

13620889234 is a deficient number, since it is larger than the sum of its proper divisors (6875721386).

13620889234 is a wasteful number, since it uses less digits than its factorization.

13620889234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21758924.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 13620889234 in words is "thirteen billion, six hundred twenty million, eight hundred eighty-nine thousand, two hundred thirty-four".