17965782283679 has 2 divisors, whose sum is σ = 17965782283680. Its totient is φ = 17965782283678.

The previous prime is 17965782283643. The next prime is 17965782283681. The reversal of 17965782283679 is 97638228756971.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17965782283679 is a prime.

It is a Sophie Germain prime.

Together with 17965782283681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17965782283699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8982891141839 + 8982891141840.

It is an arithmetic number, because the mean of its divisors is an integer number (8982891141840).

Almost surely, 2^{17965782283679} is an apocalyptic number.

17965782283679 is a deficient number, since it is larger than the sum of its proper divisors (1).

17965782283679 is an equidigital number, since it uses as much as digits as its factorization.

17965782283679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840721920, while the sum is 80.

The spelling of 17965782283679 in words is "seventeen trillion, nine hundred sixty-five billion, seven hundred eighty-two million, two hundred eighty-three thousand, six hundred seventy-nine".