3368816451787 has 2 divisors, whose sum is σ = 3368816451788. Its totient is φ = 3368816451786.

The previous prime is 3368816451719. The next prime is 3368816451881. The reversal of 3368816451787 is 7871546188633.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3368816451787 is a prime.

It is a super-2 number, since 2×3368816451787² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3368816455787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684408225893 + 1684408225894.

It is an arithmetic number, because the mean of its divisors is an integer number (1684408225894).

Almost surely, 2^{3368816451787} is an apocalyptic number.

3368816451787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3368816451787 is an equidigital number, since it uses as much as digits as its factorization.

3368816451787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 67.

The spelling of 3368816451787 in words is "three trillion, three hundred sixty-eight billion, eight hundred sixteen million, four hundred fifty-one thousand, seven hundred eighty-seven".