2099605907 has 4 divisors (see below), whose sum is σ = 2399549616. Its totient is φ = 1799662200.

The previous prime is 2099605903. The next prime is 2099605939. The reversal of 2099605907 is 7095069902.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2099605907 - 2² = 2099605903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099605903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149971844 + ... + 149971857.

It is an arithmetic number, because the mean of its divisors is an integer number (599887404).

Almost surely, 2^2099605907 is an apocalyptic number.

2099605907 is a deficient number, since it is larger than the sum of its proper divisors (299943709).

2099605907 is an equidigital number, since it uses as much as digits as its factorization.

2099605907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299943708.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 2099605907 is about 45821.4568406549. The cubic root of 2099605907 is about 1280.4990540578.

The spelling of 2099605907 in words is "two billion, ninety-nine million, six hundred five thousand, nine hundred seven".