6666641141273 has 2 divisors, whose sum is σ = 6666641141274. Its totient is φ = 6666641141272.

The previous prime is 6666641141261. The next prime is 6666641141287. The reversal of 6666641141273 is 3721411466666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3817928418304 + 2848712722969 = 1953952^2 + 1687813^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666641141273 - 2⁴⁰ = 5567129513497 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666641141243) 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, 3333320570636 + 3333320570637.

It is an arithmetic number, because the mean of its divisors is an integer number (3333320570637).

Almost surely, 2^{6666641141273} is an apocalyptic number.

It is an amenable number.

6666641141273 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666641141273 is an equidigital number, since it uses as much as digits as its factorization.

6666641141273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 6666641141273 in words is "six trillion, six hundred sixty-six billion, six hundred forty-one million, one hundred forty-one thousand, two hundred seventy-three".