6662250366449 has 2 divisors, whose sum is σ = 6662250366450. Its totient is φ = 6662250366448.

The previous prime is 6662250366301. The next prime is 6662250366467. The reversal of 6662250366449 is 9446630522666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4923694723600 + 1738555642849 = 2218940^2 + 1318543^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662250366449 - 2⁸ = 6662250366193 is a prime.

It is not a weakly prime, because it can be changed into another prime (6662250366049) 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, 3331125183224 + 3331125183225.

It is an arithmetic number, because the mean of its divisors is an integer number (3331125183225).

Almost surely, 2^{6662250366449} is an apocalyptic number.

It is an amenable number.

6662250366449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662250366449 is an equidigital number, since it uses as much as digits as its factorization.

6662250366449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67184640, while the sum is 59.

The spelling of 6662250366449 in words is "six trillion, six hundred sixty-two billion, two hundred fifty million, three hundred sixty-six thousand, four hundred forty-nine".