3368666866919 has 2 divisors, whose sum is σ = 3368666866920. Its totient is φ = 3368666866918.

The previous prime is 3368666866867. The next prime is 3368666866921. The reversal of 3368666866919 is 9196686668633.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3368666866919 is a prime.

It is a super-2 number, since 2×3368666866919² (a number of 26 digits) contains 22 as substring.

Together with 3368666866921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3368666866919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3368666866979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684333433459 + 1684333433460.

It is an arithmetic number, because the mean of its divisors is an integer number (1684333433460).

Almost surely, 2^{3368666866919} is an apocalyptic number.

3368666866919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3368666866919 is an equidigital number, since it uses as much as digits as its factorization.

3368666866919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2176782336, while the sum is 77.

The spelling of 3368666866919 in words is "three trillion, three hundred sixty-eight billion, six hundred sixty-six million, eight hundred sixty-six thousand, nine hundred nineteen".