318630084529 has 2 divisors, whose sum is σ = 318630084530. Its totient is φ = 318630084528.

The previous prime is 318630084503. The next prime is 318630084571. The reversal of 318630084529 is 925480036813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303878767504 + 14751317025 = 551252^2 + 121455^2 .

It is an emirp because it is prime and its reverse (925480036813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318630084529 - 2¹³ = 318630076337 is a prime.

It is not a weakly prime, because it can be changed into another prime (318630084029) 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 as a sum of consecutive naturals, namely, 159315042264 + 159315042265.

It is an arithmetic number, because the mean of its divisors is an integer number (159315042265).

Almost surely, 2^318630084529 is an apocalyptic number.

It is an amenable number.

318630084529 is a deficient number, since it is larger than the sum of its proper divisors (1).

318630084529 is an equidigital number, since it uses as much as digits as its factorization.

318630084529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 318630084529 in words is "three hundred eighteen billion, six hundred thirty million, eighty-four thousand, five hundred twenty-nine".