13409608828 has 24 divisors (see below), whose sum is σ = 29257329024. Its totient is φ = 5224522800.

The previous prime is 13409608813. The next prime is 13409608943. The reversal of 13409608828 is 82880690431.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21768538 + ... + 21769153.

It is an arithmetic number, because the mean of its divisors is an integer number (1219055376).

Almost surely, 2^13409608828 is an apocalyptic number.

It is an amenable number.

13409608828 is an abundant number, since it is smaller than the sum of its proper divisors (15847720196).

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

13409608828 is a wasteful number, since it uses less digits than its factorization.

13409608828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43537713 (or 43537711 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 13409608828 in words is "thirteen billion, four hundred nine million, six hundred eight thousand, eight hundred twenty-eight".