318625282447 has 2 divisors, whose sum is σ = 318625282448. Its totient is φ = 318625282446.

The previous prime is 318625282421. The next prime is 318625282487. The reversal of 318625282447 is 744282526813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318625282447 is a prime.

It is a super-2 number, since 2×318625282447² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318625282394 and 318625282403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318625282487) 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, 159312641223 + 159312641224.

It is an arithmetic number, because the mean of its divisors is an integer number (159312641224).

Almost surely, 2^318625282447 is an apocalyptic number.

318625282447 is a deficient number, since it is larger than the sum of its proper divisors (1).

318625282447 is an equidigital number, since it uses as much as digits as its factorization.

318625282447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 52.

The spelling of 318625282447 in words is "three hundred eighteen billion, six hundred twenty-five million, two hundred eighty-two thousand, four hundred forty-seven".