3666700033391 has 2 divisors, whose sum is σ = 3666700033392. Its totient is φ = 3666700033390.

The previous prime is 3666700033361. The next prime is 3666700033429. The reversal of 3666700033391 is 1933300076663.

It is a weak prime.

It is an emirp because it is prime and its reverse (1933300076663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3666700033391 - 2¹⁰ = 3666700032367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666700033351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833350016695 + 1833350016696.

It is an arithmetic number, because the mean of its divisors is an integer number (1833350016696).

Almost surely, 2^{3666700033391} is an apocalyptic number.

3666700033391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666700033391 is an equidigital number, since it uses as much as digits as its factorization.

3666700033391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 47.

The spelling of 3666700033391 in words is "three trillion, six hundred sixty-six billion, seven hundred million, thirty-three thousand, three hundred ninety-one".