33981532890696 has 80 divisors (see below), whose sum is σ = 95185466217600. Its totient is φ = 11326498124256.

The previous prime is 33981532890689. The next prime is 33981532890707. The reversal of 33981532890696 is 69609823518933.

33981532890696 is a `hidden beast` number, since 3 + 3 + 9 + 8 + 1 + 532 + 89 + 0 + 6 + 9 + 6 = 666.

33981532890696 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9295281 + ... + 12424383.

It is an arithmetic number, because the mean of its divisors is an integer number (1189818327720).

Almost surely, 2^{33981532890696} is an apocalyptic number.

33981532890696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33981532890696 is an abundant number, since it is smaller than the sum of its proper divisors (61203933326904).

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

33981532890696 is a wasteful number, since it uses less digits than its factorization.

33981532890696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145880 (or 3145867 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 72.

The spelling of 33981532890696 in words is "thirty-three trillion, nine hundred eighty-one billion, five hundred thirty-two million, eight hundred ninety thousand, six hundred ninety-six".