2099674399 has 4 divisors (see below), whose sum is σ = 2128437136. Its totient is φ = 2070911664.

The previous prime is 2099674397. The next prime is 2099674417. The reversal of 2099674399 is 9934769902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099674399 - 2¹ = 2099674397 is a prime.

It is a super-2 number, since 2×2099674399² = 8817265163632022402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099674397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14381259 + ... + 14381404.

It is an arithmetic number, because the mean of its divisors is an integer number (532109284).

Almost surely, 2^2099674399 is an apocalyptic number.

2099674399 is a deficient number, since it is larger than the sum of its proper divisors (28762737).

2099674399 is an equidigital number, since it uses as much as digits as its factorization.

2099674399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28762736.

The product of its (nonzero) digits is 6613488, while the sum is 58.

The square root of 2099674399 is about 45822.2042136779. The cubic root of 2099674399 is about 1280.5129777799.

The spelling of 2099674399 in words is "two billion, ninety-nine million, six hundred seventy-four thousand, three hundred ninety-nine".