2090611899 has 12 divisors (see below), whose sum is σ = 3026752456. Its totient is φ = 1390519872.

The previous prime is 2090611891. The next prime is 2090611927. The reversal of 2090611899 is 9981160902.

2090611899 is a `hidden beast` number, since 20 + 9 + 0 + 611 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 2090611899 - 2³ = 2090611891 is a prime.

It is a super-2 number, since 2×2090611899² = 8741316224480772402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090611891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264337 + ... + 272130.

Almost surely, 2^2090611899 is an apocalyptic number.

2090611899 is a deficient number, since it is larger than the sum of its proper divisors (936140557).

2090611899 is a wasteful number, since it uses less digits than its factorization.

2090611899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536906 (or 536903 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 2090611899 is about 45723.2096314334. The cubic root of 2090611899 is about 1278.6680274707.

The spelling of 2090611899 in words is "two billion, ninety million, six hundred eleven thousand, eight hundred ninety-nine".