319475857507 has 2 divisors, whose sum is σ = 319475857508. Its totient is φ = 319475857506.

The previous prime is 319475857423. The next prime is 319475857541. The reversal of 319475857507 is 705758574913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319475857507 - 2²³ = 319467468899 is a prime.

It is not a weakly prime, because it can be changed into another prime (319475857577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159737928753 + 159737928754.

It is an arithmetic number, because the mean of its divisors is an integer number (159737928754).

Almost surely, 2^319475857507 is an apocalyptic number.

319475857507 is a deficient number, since it is larger than the sum of its proper divisors (1).

319475857507 is an equidigital number, since it uses as much as digits as its factorization.

319475857507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044000, while the sum is 61.

The spelling of 319475857507 in words is "three hundred nineteen billion, four hundred seventy-five million, eight hundred fifty-seven thousand, five hundred seven".