6684884608873 has 2 divisors, whose sum is σ = 6684884608874. Its totient is φ = 6684884608872.

The previous prime is 6684884608793. The next prime is 6684884608903. The reversal of 6684884608873 is 3788064884866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3356857901929 + 3328026706944 = 1832173^2 + 1824288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6684884608873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6684884608873.

It is not a weakly prime, because it can be changed into another prime (6684884608973) 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, 3342442304436 + 3342442304437.

It is an arithmetic number, because the mean of its divisors is an integer number (3342442304437).

Almost surely, 2^{6684884608873} is an apocalyptic number.

It is an amenable number.

6684884608873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6684884608873 is an equidigital number, since it uses as much as digits as its factorization.

6684884608873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2378170368, while the sum is 76.

The spelling of 6684884608873 in words is "six trillion, six hundred eighty-four billion, eight hundred eighty-four million, six hundred eight thousand, eight hundred seventy-three".