2099471800 has 48 divisors (see below), whose sum is σ = 4954158360. Its totient is φ = 827249280.

The previous prime is 2099471767. The next prime is 2099471813. The reversal of 2099471800 is 81749902.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64939 + ... + 91738.

Almost surely, 2^2099471800 is an apocalyptic number.

2099471800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099471800 is an abundant number, since it is smaller than the sum of its proper divisors (2854686560).

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

2099471800 is a wasteful number, since it uses less digits than its factorization.

2099471800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156760 (or 156751 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2099471800 is about 45819.9934526403. The cubic root of 2099471800 is about 1280.4717906013.

The spelling of 2099471800 in words is "two billion, ninety-nine million, four hundred seventy-one thousand, eight hundred".