2099443824 has 60 divisors (see below), whose sum is σ = 5883477600. Its totient is φ = 698867712.

The previous prime is 2099443789. The next prime is 2099443867. The reversal of 2099443824 is 4283449902.

It is a happy number.

2099443824 is a `hidden beast` number, since 209 + 9 + 4 + 438 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2099443824.

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, 101257 + ... + 120215.

It is an arithmetic number, because the mean of its divisors is an integer number (98057960).

Almost surely, 2^2099443824 is an apocalyptic number.

2099443824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2099443824 is an abundant number, since it is smaller than the sum of its proper divisors (3784033776).

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

2099443824 is a wasteful number, since it uses less digits than its factorization.

2099443824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742 (or 19733 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2099443824 is about 45819.6881700432. The cubic root of 2099443824 is about 1280.4661030377.

The spelling of 2099443824 in words is "two billion, ninety-nine million, four hundred forty-three thousand, eight hundred twenty-four".