315545632326613 has 4 divisors (see below), whose sum is σ = 339818373274828. Its totient is φ = 291272891378400.

The previous prime is 315545632326593. The next prime is 315545632326641. The reversal of 315545632326613 is 316623236545513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37191177780849 + 278354454545764 = 6098457^2 + 16683958^2 .

It is a cyclic number.

It is not a de Polignac number, because 315545632326613 - 2²⁹ = 315545095455701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315545632356613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12136370474088 + ... + 12136370474113.

It is an arithmetic number, because the mean of its divisors is an integer number (84954593318707).

Almost surely, 2^{315545632326613} is an apocalyptic number.

It is an amenable number.

315545632326613 is a deficient number, since it is larger than the sum of its proper divisors (24272740948215).

315545632326613 is a wasteful number, since it uses less digits than its factorization.

315545632326613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272740948214.

The product of its digits is 34992000, while the sum is 55.

The spelling of 315545632326613 in words is "three hundred fifteen trillion, five hundred forty-five billion, six hundred thirty-two million, three hundred twenty-six thousand, six hundred thirteen".