315220636623199 has 2 divisors, whose sum is σ = 315220636623200. Its totient is φ = 315220636623198.

The previous prime is 315220636623163. The next prime is 315220636623203. The reversal of 315220636623199 is 991326636022513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315220636623199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315220636123199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157610318311599 + 157610318311600.

It is an arithmetic number, because the mean of its divisors is an integer number (157610318311600).

Almost surely, 2^{315220636623199} is an apocalyptic number.

315220636623199 is a deficient number, since it is larger than the sum of its proper divisors (1).

315220636623199 is an equidigital number, since it uses as much as digits as its factorization.

315220636623199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 58.

The spelling of 315220636623199 in words is "three hundred fifteen trillion, two hundred twenty billion, six hundred thirty-six million, six hundred twenty-three thousand, one hundred ninety-nine".