663443262344339 has 2 divisors, whose sum is σ = 663443262344340. Its totient is φ = 663443262344338.

The previous prime is 663443262344329. The next prime is 663443262344377. The reversal of 663443262344339 is 933443262344366.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663443262344339 is a prime.

It is not a weakly prime, because it can be changed into another prime (663443262344329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331721631172169 + 331721631172170.

It is an arithmetic number, because the mean of its divisors is an integer number (331721631172170).

Almost surely, 2^{663443262344339} is an apocalyptic number.

663443262344339 is a deficient number, since it is larger than the sum of its proper divisors (1).

663443262344339 is an equidigital number, since it uses as much as digits as its factorization.

663443262344339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483729408, while the sum is 62.

The spelling of 663443262344339 in words is "six hundred sixty-three trillion, four hundred forty-three billion, two hundred sixty-two million, three hundred forty-four thousand, three hundred thirty-nine".