6664242163093 has 2 divisors, whose sum is σ = 6664242163094. Its totient is φ = 6664242163092.

The previous prime is 6664242163087. The next prime is 6664242163151. The reversal of 6664242163093 is 3903612424666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6037448522884 + 626793640209 = 2457122^2 + 791703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6664242163093 is a prime.

It is a super-2 number, since 2×6664242163093² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6664242163093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6664242163993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332121081546 + 3332121081547.

It is an arithmetic number, because the mean of its divisors is an integer number (3332121081547).

Almost surely, 2^{6664242163093} is an apocalyptic number.

It is an amenable number.

6664242163093 is a deficient number, since it is larger than the sum of its proper divisors (1).

6664242163093 is an equidigital number, since it uses as much as digits as its factorization.

6664242163093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 6664242163093 in words is "six trillion, six hundred sixty-four billion, two hundred forty-two million, one hundred sixty-three thousand, ninety-three".