319076489 has 2 divisors, whose sum is σ = 319076490. Its totient is φ = 319076488.

The previous prime is 319076479. The next prime is 319076501. The reversal of 319076489 is 984670913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316128400 + 2948089 = 17780^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 319076489 - 2²⁸ = 50641033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319076479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159538244 + 159538245.

It is an arithmetic number, because the mean of its divisors is an integer number (159538245).

Almost surely, 2^319076489 is an apocalyptic number.

It is an amenable number.

319076489 is a deficient number, since it is larger than the sum of its proper divisors (1).

319076489 is an equidigital number, since it uses as much as digits as its factorization.

319076489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 319076489 is about 17862.7122520630. The cubic root of 319076489 is about 683.3317523395.

The spelling of 319076489 in words is "three hundred nineteen million, seventy-six thousand, four hundred eighty-nine".