389732312089 has 2 divisors, whose sum is σ = 389732312090. Its totient is φ = 389732312088.

The previous prime is 389732312083. The next prime is 389732312111. The reversal of 389732312089 is 980213237983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256930375689 + 132801936400 = 506883^2 + 364420^2 .

It is a cyclic number.

It is not a de Polignac number, because 389732312089 - 2⁷ = 389732311961 is a prime.

It is not a weakly prime, because it can be changed into another prime (389732312083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194866156044 + 194866156045.

It is an arithmetic number, because the mean of its divisors is an integer number (194866156045).

Almost surely, 2^389732312089 is an apocalyptic number.

It is an amenable number.

389732312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

389732312089 is an equidigital number, since it uses as much as digits as its factorization.

389732312089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 389732312089 in words is "three hundred eighty-nine billion, seven hundred thirty-two million, three hundred twelve thousand, eighty-nine".