2975981359608 has 96 divisors (see below), whose sum is σ = 8413395719040. Its totient is φ = 948523625280.

The previous prime is 2975981359573. The next prime is 2975981359633. The reversal of 2975981359608 is 8069531895792.

2975981359608 is a `hidden beast` number, since 2 + 9 + 7 + 5 + 9 + 8 + 1 + 3 + 5 + 9 + 608 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4321203 + ... + 4962333.

It is an arithmetic number, because the mean of its divisors is an integer number (87639538740).

Almost surely, 2^{2975981359608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2975981359608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4206697859520).

2975981359608 is an abundant number, since it is smaller than the sum of its proper divisors (5437414359432).

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

2975981359608 is a wasteful number, since it uses less digits than its factorization.

2975981359608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643969 (or 643962 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 72.

The spelling of 2975981359608 in words is "two trillion, nine hundred seventy-five billion, nine hundred eighty-one million, three hundred fifty-nine thousand, six hundred eight".