3351866668687 has 2 divisors, whose sum is σ = 3351866668688. Its totient is φ = 3351866668686.

The previous prime is 3351866668669. The next prime is 3351866668727. The reversal of 3351866668687 is 7868666681533.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3351866668687 - 2³⁹ = 2802110854799 is a prime.

It is a super-2 number, since 2×3351866668687² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3351866665687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675933334343 + 1675933334344.

It is an arithmetic number, because the mean of its divisors is an integer number (1675933334344).

Almost surely, 2^{3351866668687} is an apocalyptic number.

3351866668687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3351866668687 is an equidigital number, since it uses as much as digits as its factorization.

3351866668687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1254113280, while the sum is 73.

The spelling of 3351866668687 in words is "three trillion, three hundred fifty-one billion, eight hundred sixty-six million, six hundred sixty-eight thousand, six hundred eighty-seven".