319450199 has 2 divisors, whose sum is σ = 319450200. Its totient is φ = 319450198.

The previous prime is 319450163. The next prime is 319450237. The reversal of 319450199 is 991054913.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319450199 is a prime.

It is a super-2 number, since 2×319450199² = 204096859282279202, 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 (319450499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159725099 + 159725100.

It is an arithmetic number, because the mean of its divisors is an integer number (159725100).

Almost surely, 2^319450199 is an apocalyptic number.

319450199 is a deficient number, since it is larger than the sum of its proper divisors (1).

319450199 is an equidigital number, since it uses as much as digits as its factorization.

319450199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 319450199 is about 17873.1698084028. The cubic root of 319450199 is about 683.5984264079.

The spelling of 319450199 in words is "three hundred nineteen million, four hundred fifty thousand, one hundred ninety-nine".