315450405616613 has 2 divisors, whose sum is σ = 315450405616614. Its totient is φ = 315450405616612.

The previous prime is 315450405616583. The next prime is 315450405616649. The reversal of 315450405616613 is 316616504054513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287651708248804 + 27798697367809 = 16960298^2 + 5272447^2 .

It is a cyclic number.

It is not a de Polignac number, because 315450405616613 - 2¹⁴ = 315450405600229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315450405616663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157725202808306 + 157725202808307.

It is an arithmetic number, because the mean of its divisors is an integer number (157725202808307).

Almost surely, 2^{315450405616613} is an apocalyptic number.

It is an amenable number.

315450405616613 is a deficient number, since it is larger than the sum of its proper divisors (1).

315450405616613 is an equidigital number, since it uses as much as digits as its factorization.

315450405616613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 315450405616613 in words is "three hundred fifteen trillion, four hundred fifty billion, four hundred five million, six hundred sixteen thousand, six hundred thirteen".