6723603636679 has 2 divisors, whose sum is σ = 6723603636680. Its totient is φ = 6723603636678.

The previous prime is 6723603636601. The next prime is 6723603636697. The reversal of 6723603636679 is 9766363063276.

Together with next prime (6723603636697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6723603636679 - 2³¹ = 6721456153031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6723603636679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723603636979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361801818339 + 3361801818340.

It is an arithmetic number, because the mean of its divisors is an integer number (3361801818340).

Almost surely, 2^{6723603636679} is an apocalyptic number.

6723603636679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723603636679 is an equidigital number, since it uses as much as digits as its factorization.

6723603636679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185177664, while the sum is 64.

The spelling of 6723603636679 in words is "six trillion, seven hundred twenty-three billion, six hundred three million, six hundred thirty-six thousand, six hundred seventy-nine".