2162899844 has 24 divisors (see below), whose sum is σ = 4330599168. Its totient is φ = 925928640.

The previous prime is 2162899831. The next prime is 2162899933. The reversal of 2162899844 is 4489982612.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 16889 + ... + 67904.

It is an arithmetic number, because the mean of its divisors is an integer number (180441632).

Almost surely, 2^2162899844 is an apocalyptic number.

It is an amenable number.

2162899844 is an abundant number, since it is smaller than the sum of its proper divisors (2167699324).

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

2162899844 is a wasteful number, since it uses less digits than its factorization.

2162899844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85715 (or 85713 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 2162899844 is about 46506.9870449592. The cubic root of 2162899844 is about 1293.2390298324.

The spelling of 2162899844 in words is "two billion, one hundred sixty-two million, eight hundred ninety-nine thousand, eight hundred forty-four".