389689344017 has 2 divisors, whose sum is σ = 389689344018. Its totient is φ = 389689344016.

The previous prime is 389689343993. The next prime is 389689344059. The reversal of 389689344017 is 710443986983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217954524736 + 171734819281 = 466856^2 + 414409^2 .

It is a cyclic number.

It is not a de Polignac number, because 389689344017 - 2²² = 389685149713 is a prime.

It is not a weakly prime, because it can be changed into another prime (389689344067) 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, 194844672008 + 194844672009.

It is an arithmetic number, because the mean of its divisors is an integer number (194844672009).

Almost surely, 2^389689344017 is an apocalyptic number.

It is an amenable number.

389689344017 is a deficient number, since it is larger than the sum of its proper divisors (1).

389689344017 is an equidigital number, since it uses as much as digits as its factorization.

389689344017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 389689344017 in words is "three hundred eighty-nine billion, six hundred eighty-nine million, three hundred forty-four thousand, seventeen".