2052989690844 has 12 divisors (see below), whose sum is σ = 4790309278664. Its totient is φ = 684329896944.

The previous prime is 2052989690831. The next prime is 2052989690861. The reversal of 2052989690844 is 4480969892502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85541237107 + ... + 85541237130.

Almost surely, 2^{2052989690844} is an apocalyptic number.

It is an amenable number.

2052989690844 is an abundant number, since it is smaller than the sum of its proper divisors (2737319587820).

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

2052989690844 is a wasteful number, since it uses less digits than its factorization.

2052989690844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171082474244 (or 171082474242 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 2052989690844 in words is "two trillion, fifty-two billion, nine hundred eighty-nine million, six hundred ninety thousand, eight hundred forty-four".