3666703667989 has 2 divisors, whose sum is σ = 3666703667990. Its totient is φ = 3666703667988.

The previous prime is 3666703667971. The next prime is 3666703668031. The reversal of 3666703667989 is 9897663076663.

3666703667989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3532332302500 + 134371365489 = 1879450^2 + 366567^2 .

It is an emirp because it is prime and its reverse (9897663076663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3666703667989 - 2¹¹ = 3666703665941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666703661989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833351833994 + 1833351833995.

It is an arithmetic number, because the mean of its divisors is an integer number (1833351833995).

Almost surely, 2^{3666703667989} is an apocalyptic number.

It is an amenable number.

3666703667989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666703667989 is an equidigital number, since it uses as much as digits as its factorization.

3666703667989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222131968, while the sum is 76.

The spelling of 3666703667989 in words is "three trillion, six hundred sixty-six billion, seven hundred three million, six hundred sixty-seven thousand, nine hundred eighty-nine".