3666666703643 has 2 divisors, whose sum is σ = 3666666703644. Its totient is φ = 3666666703642.

The previous prime is 3666666703631. The next prime is 3666666703673. The reversal of 3666666703643 is 3463076666663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3666666703643 - 2³⁴ = 3649486834459 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666666703673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833333351821 + 1833333351822.

It is an arithmetic number, because the mean of its divisors is an integer number (1833333351822).

Almost surely, 2^{3666666703643} is an apocalyptic number.

3666666703643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666666703643 is an equidigital number, since it uses as much as digits as its factorization.

3666666703643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211631616, while the sum is 62.

The spelling of 3666666703643 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-six million, seven hundred three thousand, six hundred forty-three".