315624484426513 has 4 divisors (see below), whose sum is σ = 315624638471220. Its totient is φ = 315624330381808.

The previous prime is 315624484426481. The next prime is 315624484426541.

315624484426513 is nontrivially palindromic in base 10.

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 113395408017984 + 202229076408529 = 10648728^2 + 14220727^2 .

It is a cyclic number.

It is not a de Polignac number, because 315624484426513 - 2⁵ = 315624484426481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315624484426313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73906978 + ... + 78060811.

It is an arithmetic number, because the mean of its divisors is an integer number (78906159617805).

Almost surely, 2^{315624484426513} is an apocalyptic number.

It is an amenable number.

315624484426513 is a deficient number, since it is larger than the sum of its proper divisors (154044707).

315624484426513 is a wasteful number, since it uses less digits than its factorization.

315624484426513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154044706.

The product of its digits is 66355200, while the sum is 58.

The spelling of 315624484426513 in words is "three hundred fifteen trillion, six hundred twenty-four billion, four hundred eighty-four million, four hundred twenty-six thousand, five hundred thirteen".