319599199 has 2 divisors, whose sum is σ = 319599200. Its totient is φ = 319599198.

The previous prime is 319599151. The next prime is 319599233. The reversal of 319599199 is 991995913.

It is a strong prime.

It is an emirp because it is prime and its reverse (991995913) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319599199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319599109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159799599 + 159799600.

It is an arithmetic number, because the mean of its divisors is an integer number (159799600).

Almost surely, 2^319599199 is an apocalyptic number.

319599199 is a deficient number, since it is larger than the sum of its proper divisors (1).

319599199 is an equidigital number, since it uses as much as digits as its factorization.

319599199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 885735, while the sum is 55.

The square root of 319599199 is about 17877.3375814185. The cubic root of 319599199 is about 683.7046926677.

The spelling of 319599199 in words is "three hundred nineteen million, five hundred ninety-nine thousand, one hundred ninety-nine".