2981535568 has 20 divisors (see below), whose sum is σ = 6301882368. Its totient is φ = 1355243360.

The previous prime is 2981535553. The next prime is 2981535581. The reversal of 2981535568 is 8655351892.

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 3 ways as a sum of consecutive naturals, for example, 8470096 + ... + 8470447.

Almost surely, 2^2981535568 is an apocalyptic number.

It is an amenable number.

2981535568 is an abundant number, since it is smaller than the sum of its proper divisors (3320346800).

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

2981535568 is a wasteful number, since it uses less digits than its factorization.

2981535568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940562 (or 16940556 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 52.

The square root of 2981535568 is about 54603.4391590859. The cubic root of 2981535568 is about 1439.2845545785.

The spelling of 2981535568 in words is "two billion, nine hundred eighty-one million, five hundred thirty-five thousand, five hundred sixty-eight".