2989638950676 has 96 divisors (see below), whose sum is σ = 8068618494720. Its totient is φ = 843886162944.

The previous prime is 2989638950657. The next prime is 2989638950723. The reversal of 2989638950676 is 6760598369892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8903550 + ... + 9233226.

It is an arithmetic number, because the mean of its divisors is an integer number (84048109320).

Almost surely, 2^{2989638950676} 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 2989638950676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4034309247360).

2989638950676 is an abundant number, since it is smaller than the sum of its proper divisors (5078979544044).

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

2989638950676 is a wasteful number, since it uses less digits than its factorization.

2989638950676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330993 (or 330991 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 78.

The spelling of 2989638950676 in words is "two trillion, nine hundred eighty-nine billion, six hundred thirty-eight million, nine hundred fifty thousand, six hundred seventy-six".