13351981400 has 24 divisors (see below), whose sum is σ = 31043357220. Its totient is φ = 5340792480.

The previous prime is 13351981399. The next prime is 13351981439. The reversal of 13351981400 is 418915331.

13351981400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33379754 + ... + 33380153.

Almost surely, 2^13351981400 is an apocalyptic number.

13351981400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13351981400 is an abundant number, since it is smaller than the sum of its proper divisors (17691375820).

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

13351981400 is a wasteful number, since it uses less digits than its factorization.

13351981400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66759923 (or 66759914 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 13351981400 in words is "thirteen billion, three hundred fifty-one million, nine hundred eighty-one thousand, four hundred".