2085657199 has 2 divisors, whose sum is σ = 2085657200. Its totient is φ = 2085657198.

The previous prime is 2085657193. The next prime is 2085657221. The reversal of 2085657199 is 9917565802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2085657199 - 2³ = 2085657191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085657191) 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 as a sum of consecutive naturals, namely, 1042828599 + 1042828600.

It is an arithmetic number, because the mean of its divisors is an integer number (1042828600).

Almost surely, 2^2085657199 is an apocalyptic number.

2085657199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085657199 is an equidigital number, since it uses as much as digits as its factorization.

2085657199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 2085657199 is about 45668.9960366987. The cubic root of 2085657199 is about 1277.6570909107.

The spelling of 2085657199 in words is "two billion, eighty-five million, six hundred fifty-seven thousand, one hundred ninety-nine".