315897430463 has 2 divisors, whose sum is σ = 315897430464. Its totient is φ = 315897430462.

The previous prime is 315897430439. The next prime is 315897430501. The reversal of 315897430463 is 364034798513.

It is a weak prime.

It is an emirp because it is prime and its reverse (364034798513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315897430463 - 2⁶ = 315897430399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315897430423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157948715231 + 157948715232.

It is an arithmetic number, because the mean of its divisors is an integer number (157948715232).

Almost surely, 2^315897430463 is an apocalyptic number.

315897430463 is a deficient number, since it is larger than the sum of its proper divisors (1).

315897430463 is an equidigital number, since it uses as much as digits as its factorization.

315897430463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 315897430463 in words is "three hundred fifteen billion, eight hundred ninety-seven million, four hundred thirty thousand, four hundred sixty-three".