13388898990 has 32 divisors (see below), whose sum is σ = 32146826400. Its totient is φ = 3568876544.

The previous prime is 13388898983. The next prime is 13388899003. The reversal of 13388898990 is 9989888331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19815 + ... + 164834.

It is an arithmetic number, because the mean of its divisors is an integer number (1004588325).

Almost surely, 2^13388898990 is an apocalyptic number.

13388898990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13388898990 is an abundant number, since it is smaller than the sum of its proper divisors (18757927410).

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

13388898990 is a wasteful number, since it uses less digits than its factorization.

13388898990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187076.

The product of its (nonzero) digits is 26873856, while the sum is 66.

The spelling of 13388898990 in words is "thirteen billion, three hundred eighty-eight million, eight hundred ninety-eight thousand, nine hundred ninety".