319959379 has 2 divisors, whose sum is σ = 319959380. Its totient is φ = 319959378.

The previous prime is 319959359. The next prime is 319959389. The reversal of 319959379 is 973959913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319959379 - 2⁵ = 319959347 is a prime.

It is not a weakly prime, because it can be changed into another prime (319959359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159979689 + 159979690.

It is an arithmetic number, because the mean of its divisors is an integer number (159979690).

Almost surely, 2^319959379 is an apocalyptic number.

319959379 is a deficient number, since it is larger than the sum of its proper divisors (1).

319959379 is an equidigital number, since it uses as much as digits as its factorization.

319959379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2066715, while the sum is 55.

The square root of 319959379 is about 17887.4083924978. The cubic root of 319959379 is about 683.9614353906.

The spelling of 319959379 in words is "three hundred nineteen million, nine hundred fifty-nine thousand, three hundred seventy-nine".