3326716645643 has 2 divisors, whose sum is σ = 3326716645644. Its totient is φ = 3326716645642.

The previous prime is 3326716645613. The next prime is 3326716645663. The reversal of 3326716645643 is 3465466176233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3326716645643 - 2⁶ = 3326716645579 is a prime.

It is a super-2 number, since 2×3326716645643² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3326716645613) 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, 1663358322821 + 1663358322822.

It is an arithmetic number, because the mean of its divisors is an integer number (1663358322822).

Almost surely, 2^{3326716645643} is an apocalyptic number.

3326716645643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3326716645643 is an equidigital number, since it uses as much as digits as its factorization.

3326716645643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 56.

The spelling of 3326716645643 in words is "three trillion, three hundred twenty-six billion, seven hundred sixteen million, six hundred forty-five thousand, six hundred forty-three".