8981973650 has 48 divisors (see below), whose sum is σ = 18208459584. Its totient is φ = 3276444480.

The previous prime is 8981973643. The next prime is 8981973659. The reversal of 8981973650 is 563791898.

It is not an unprimeable number, because it can be changed into a prime (8981973659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29294 + ... + 137193.

It is an arithmetic number, because the mean of its divisors is an integer number (379342908).

Almost surely, 2^8981973650 is an apocalyptic number.

8981973650 is an abundant number, since it is smaller than the sum of its proper divisors (9226485934).

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

8981973650 is a wasteful number, since it uses less digits than its factorization.

8981973650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166595 (or 166590 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 8981973650 is about 94773.2749777067. The cubic root of 8981973650 is about 2078.6941422720.

The spelling of 8981973650 in words is "eight billion, nine hundred eighty-one million, nine hundred seventy-three thousand, six hundred fifty".