2109824892 has 36 divisors (see below), whose sum is σ = 6095050416. Its totient is φ = 602807040.

The previous prime is 2109824879. The next prime is 2109824917. The reversal of 2109824892 is 2984289012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2109824892² = 8902722149805623328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4185909 + ... + 4186412.

It is an arithmetic number, because the mean of its divisors is an integer number (169306956).

Almost surely, 2^2109824892 is an apocalyptic number.

It is an amenable number.

2109824892 is an abundant number, since it is smaller than the sum of its proper divisors (3985225524).

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

2109824892 is a wasteful number, since it uses less digits than its factorization.

2109824892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372338 (or 8372333 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2109824892 is about 45932.8302197894. The cubic root of 2109824892 is about 1282.5731303556.

The spelling of 2109824892 in words is "two billion, one hundred nine million, eight hundred twenty-four thousand, eight hundred ninety-two".