98598489589 has 4 divisors (see below), whose sum is σ = 98604877356. Its totient is φ = 98592101824.

The previous prime is 98598489571. The next prime is 98598489599.

98598489589 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50476608900 + 48121880689 = 224670^2 + 219367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98598489589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98598489599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170674 + ... + 3201619.

It is an arithmetic number, because the mean of its divisors is an integer number (24651219339).

Almost surely, 2^98598489589 is an apocalyptic number.

It is an amenable number.

98598489589 is a deficient number, since it is larger than the sum of its proper divisors (6387767).

98598489589 is a wasteful number, since it uses less digits than its factorization.

98598489589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387766.

The product of its digits is 2687385600, while the sum is 82.

The spelling of 98598489589 in words is "ninety-eight billion, five hundred ninety-eight million, four hundred eighty-nine thousand, five hundred eighty-nine".