13351590828 has 24 divisors (see below), whose sum is σ = 34615235760. Its totient is φ = 4450530240.

The previous prime is 13351590797. The next prime is 13351590851. The reversal of 13351590828 is 82809515331.

13351590828 is a `hidden beast` number, since 1 + 3 + 3 + 51 + 590 + 8 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 61812813 + ... + 61813028.

It is an arithmetic number, because the mean of its divisors is an integer number (1442301490).

Almost surely, 2^13351590828 is an apocalyptic number.

13351590828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13351590828 is an abundant number, since it is smaller than the sum of its proper divisors (21263644932).

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

13351590828 is a wasteful number, since it uses less digits than its factorization.

13351590828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123625854 (or 123625846 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 13351590828 in words is "thirteen billion, three hundred fifty-one million, five hundred ninety thousand, eight hundred twenty-eight".