13573737228 has 12 divisors (see below), whose sum is σ = 31672053560. Its totient is φ = 4524579072.

The previous prime is 13573737209. The next prime is 13573737253. The reversal of 13573737228 is 82273737531.

It is a tau number, because it is divible by the number of its divisors (12).

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, 565572373 + ... + 565572396.

Almost surely, 2^13573737228 is an apocalyptic number.

It is an amenable number.

13573737228 is an abundant number, since it is smaller than the sum of its proper divisors (18098316332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13573737228 is a wasteful number, since it uses less digits than its factorization.

13573737228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131144776 (or 1131144774 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The spelling of 13573737228 in words is "thirteen billion, five hundred seventy-three million, seven hundred thirty-seven thousand, two hundred twenty-eight".