2099437609 has 8 divisors (see below), whose sum is σ = 2156813120. Its totient is φ = 2042095536.

The previous prime is 2099437603. The next prime is 2099437649. The reversal of 2099437609 is 9067349902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099437609 - 2¹⁵ = 2099404841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099437603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170122 + ... + 182044.

It is an arithmetic number, because the mean of its divisors is an integer number (269601640).

Almost surely, 2^2099437609 is an apocalyptic number.

It is an amenable number.

2099437609 is a deficient number, since it is larger than the sum of its proper divisors (57375511).

2099437609 is a wasteful number, since it uses less digits than its factorization.

2099437609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16719.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 2099437609 is about 45819.6203498021. The cubic root of 2099437609 is about 1280.4648395118.

The spelling of 2099437609 in words is "two billion, ninety-nine million, four hundred thirty-seven thousand, six hundred nine".