9589689661589 has 2 divisors, whose sum is σ = 9589689661590. Its totient is φ = 9589689661588.

The previous prime is 9589689661577. The next prime is 9589689661627. The reversal of 9589689661589 is 9851669869859.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9581395916689 + 8293744900 = 3095383^2 + 91070^2 .

It is a cyclic number.

It is not a de Polignac number, because 9589689661589 - 2³⁶ = 9520970184853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9589689660589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4794844830794 + 4794844830795.

It is an arithmetic number, because the mean of its divisors is an integer number (4794844830795).

Almost surely, 2^{9589689661589} is an apocalyptic number.

It is an amenable number.

9589689661589 is a deficient number, since it is larger than the sum of its proper divisors (1).

9589689661589 is an equidigital number, since it uses as much as digits as its factorization.

9589689661589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18139852800, while the sum is 89.

The spelling of 9589689661589 in words is "nine trillion, five hundred eighty-nine billion, six hundred eighty-nine million, six hundred sixty-one thousand, five hundred eighty-nine".