319536630097 has 2 divisors, whose sum is σ = 319536630098. Its totient is φ = 319536630096.

The previous prime is 319536630089. The next prime is 319536630173. The reversal of 319536630097 is 790036635913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307582269201 + 11954360896 = 554601^2 + 109336^2 .

It is a cyclic number.

It is not a de Polignac number, because 319536630097 - 2³ = 319536630089 is a prime.

It is not a weakly prime, because it can be changed into another prime (319536630067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159768315048 + 159768315049.

It is an arithmetic number, because the mean of its divisors is an integer number (159768315049).

Almost surely, 2^319536630097 is an apocalyptic number.

It is an amenable number.

319536630097 is a deficient number, since it is larger than the sum of its proper divisors (1).

319536630097 is an equidigital number, since it uses as much as digits as its factorization.

319536630097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 52.

The spelling of 319536630097 in words is "three hundred nineteen billion, five hundred thirty-six million, six hundred thirty thousand, ninety-seven".