3206613311663 has 2 divisors, whose sum is σ = 3206613311664. Its totient is φ = 3206613311662.

The previous prime is 3206613311659. The next prime is 3206613311669. The reversal of 3206613311663 is 3661133166023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3206613311663 - 2² = 3206613311659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3206613311663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3206613311669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603306655831 + 1603306655832.

It is an arithmetic number, because the mean of its divisors is an integer number (1603306655832).

Almost surely, 2^{3206613311663} is an apocalyptic number.

3206613311663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3206613311663 is an equidigital number, since it uses as much as digits as its factorization.

3206613311663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 41.

Adding to 3206613311663 its reverse (3661133166023), we get a palindrome (6867746477686).

The spelling of 3206613311663 in words is "three trillion, two hundred six billion, six hundred thirteen million, three hundred eleven thousand, six hundred sixty-three".