2099290866 has 32 divisors (see below), whose sum is σ = 4461438528. Its totient is φ = 656248320.

The previous prime is 2099290813. The next prime is 2099290873. The reversal of 2099290866 is 6680929902.

It is a super-3 number, since 3×2099290866³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7960 + ... + 65283.

It is an arithmetic number, because the mean of its divisors is an integer number (139419954).

Almost surely, 2^2099290866 is an apocalyptic number.

2099290866 is an abundant number, since it is smaller than the sum of its proper divisors (2362147662).

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

2099290866 is a wasteful number, since it uses less digits than its factorization.

2099290866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73546.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 2099290866 is about 45818.0190099921. The cubic root of 2099290866 is about 1280.4350055491.

The spelling of 2099290866 in words is "two billion, ninety-nine million, two hundred ninety thousand, eight hundred sixty-six".