318646322479 has 2 divisors, whose sum is σ = 318646322480. Its totient is φ = 318646322478.

The previous prime is 318646322419. The next prime is 318646322503. The reversal of 318646322479 is 974223646813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318646322479 - 2⁹ = 318646321967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318646322419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159323161239 + 159323161240.

It is an arithmetic number, because the mean of its divisors is an integer number (159323161240).

Almost surely, 2^318646322479 is an apocalyptic number.

318646322479 is a deficient number, since it is larger than the sum of its proper divisors (1).

318646322479 is an equidigital number, since it uses as much as digits as its factorization.

318646322479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 55.

The spelling of 318646322479 in words is "three hundred eighteen billion, six hundred forty-six million, three hundred twenty-two thousand, four hundred seventy-nine".