190198319 has 2 divisors, whose sum is σ = 190198320. Its totient is φ = 190198318.

The previous prime is 190198297. The next prime is 190198367. The reversal of 190198319 is 913891091.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190198319 - 2²⁰ = 189149743 is a prime.

It is a super-2 number, since 2×190198319² = 72350801100851522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190198399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95099159 + 95099160.

It is an arithmetic number, because the mean of its divisors is an integer number (95099160).

Almost surely, 2^190198319 is an apocalyptic number.

190198319 is a deficient number, since it is larger than the sum of its proper divisors (1).

190198319 is an equidigital number, since it uses as much as digits as its factorization.

190198319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 190198319 is about 13791.2406621014. The cubic root of 190198319 is about 575.0896586088.

The spelling of 190198319 in words is "one hundred ninety million, one hundred ninety-eight thousand, three hundred nineteen".