13620889233 has 64 divisors (see below), whose sum is σ = 24371712000. Its totient is φ = 7344525312.

The previous prime is 13620889223. The next prime is 13620889297. The reversal of 13620889233 is 33298802631.

13620889233 is a `hidden beast` number, since 13 + 620 + 8 + 8 + 9 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 13620889233 - 2¹⁰ = 13620888209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13620889223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 915508 + ... + 930266.

It is an arithmetic number, because the mean of its divisors is an integer number (380808000).

Almost surely, 2^13620889233 is an apocalyptic number.

It is an amenable number.

13620889233 is a deficient number, since it is larger than the sum of its proper divisors (10750822767).

13620889233 is a wasteful number, since it uses less digits than its factorization.

13620889233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051 (or 15045 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 13620889233 in words is "thirteen billion, six hundred twenty million, eight hundred eighty-nine thousand, two hundred thirty-three".