315836426489329 has 2 divisors, whose sum is σ = 315836426489330. Its totient is φ = 315836426489328.

The previous prime is 315836426489327. The next prime is 315836426489359. The reversal of 315836426489329 is 923984624638513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246405070317025 + 69431356172304 = 15697295^2 + 8332548^2 .

It is a cyclic number.

It is not a de Polignac number, because 315836426489329 - 2¹ = 315836426489327 is a prime.

Together with 315836426489327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (315836426489327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157918213244664 + 157918213244665.

It is an arithmetic number, because the mean of its divisors is an integer number (157918213244665).

Almost surely, 2^{315836426489329} is an apocalyptic number.

It is an amenable number.

315836426489329 is a deficient number, since it is larger than the sum of its proper divisors (1).

315836426489329 is an equidigital number, since it uses as much as digits as its factorization.

315836426489329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612431360, while the sum is 73.

The spelling of 315836426489329 in words is "three hundred fifteen trillion, eight hundred thirty-six billion, four hundred twenty-six million, four hundred eighty-nine thousand, three hundred twenty-nine".