2993985568 has 48 divisors (see below), whose sum is σ = 6751128384. Its totient is φ = 1280344320.

The previous prime is 2993985557. The next prime is 2993985571. The reversal of 2993985568 is 8655893992.

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, 90298 + ... + 118918.

It is an arithmetic number, because the mean of its divisors is an integer number (140648508).

Almost surely, 2^2993985568 is an apocalyptic number.

2993985568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2993985568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3375564192).

2993985568 is an abundant number, since it is smaller than the sum of its proper divisors (3757142816).

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

2993985568 is a wasteful number, since it uses less digits than its factorization.

2993985568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29105 (or 29097 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 64.

The square root of 2993985568 is about 54717.3242035829. The cubic root of 2993985568 is about 1441.2851130611.

The spelling of 2993985568 in words is "two billion, nine hundred ninety-three million, nine hundred eighty-five thousand, five hundred sixty-eight".