2099412091 has 8 divisors (see below), whose sum is σ = 2455126784. Its totient is φ = 1757647080.

The previous prime is 2099412071. The next prime is 2099412137. The reversal of 2099412091 is 1902149902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2099412091 is a prime.

It is a super-2 number, since 2×2099412091² = 8815062255673984562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099412091.

It is not an unprimeable number, because it can be changed into a prime (2099412071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487095 + ... + 3487696.

It is an arithmetic number, because the mean of its divisors is an integer number (306890848).

Almost surely, 2^2099412091 is an apocalyptic number.

2099412091 is a deficient number, since it is larger than the sum of its proper divisors (355714693).

2099412091 is an equidigital number, since it uses as much as digits as its factorization.

2099412091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974841.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2099412091 is about 45819.3418874606. The cubic root of 2099412091 is about 1280.4596516091.

The spelling of 2099412091 in words is "two billion, ninety-nine million, four hundred twelve thousand, ninety-one".