499999319 has 2 divisors, whose sum is σ = 499999320. Its totient is φ = 499999318.

The previous prime is 499999303. The next prime is 499999321. The reversal of 499999319 is 913999994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499999319 - 2⁴ = 499999303 is a prime.

It is a super-2 number, since 2×499999319² = 499998638000927522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 499999321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499999219) 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, 249999659 + 249999660.

It is an arithmetic number, because the mean of its divisors is an integer number (249999660).

Almost surely, 2^499999319 is an apocalyptic number.

499999319 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999319 is an equidigital number, since it uses as much as digits as its factorization.

499999319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6377292, while the sum is 62.

The square root of 499999319 is about 22360.6645473698. The cubic root of 499999319 is about 793.7001656439.

The spelling of 499999319 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred nineteen".