199375199 has 2 divisors, whose sum is σ = 199375200. Its totient is φ = 199375198.

The previous prime is 199375193. The next prime is 199375207. The reversal of 199375199 is 991573991.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199375199 - 2²⁴ = 182597983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199375199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199375193) 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, 99687599 + 99687600.

It is an arithmetic number, because the mean of its divisors is an integer number (99687600).

Almost surely, 2^199375199 is an apocalyptic number.

199375199 is a deficient number, since it is larger than the sum of its proper divisors (1).

199375199 is an equidigital number, since it uses as much as digits as its factorization.

199375199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688905, while the sum is 53.

The square root of 199375199 is about 14120.0282931728. The cubic root of 199375199 is about 584.1939359889.

The spelling of 199375199 in words is "one hundred ninety-nine million, three hundred seventy-five thousand, one hundred ninety-nine".