4066663343329 has 2 divisors, whose sum is σ = 4066663343330. Its totient is φ = 4066663343328.

The previous prime is 4066663343273. The next prime is 4066663343357. The reversal of 4066663343329 is 9233433666604.

4066663343329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3668220867600 + 398442475729 = 1915260^2 + 631223^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066663343329 - 2⁹ = 4066663342817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4066663343329.

It is not a weakly prime, because it can be changed into another prime (4066603343329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033331671664 + 2033331671665.

It is an arithmetic number, because the mean of its divisors is an integer number (2033331671665).

Almost surely, 2^{4066663343329} is an apocalyptic number.

It is an amenable number.

4066663343329 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066663343329 is an equidigital number, since it uses as much as digits as its factorization.

4066663343329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30233088, while the sum is 55.

The spelling of 4066663343329 in words is "four trillion, sixty-six billion, six hundred sixty-three million, three hundred forty-three thousand, three hundred twenty-nine".