985442244589 has 16 divisors (see below), whose sum is σ = 1082915688960. Its totient is φ = 889285264560.

The previous prime is 985442244557. The next prime is 985442244649.

985442244589 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 985442244589 - 2⁵ = 985442244557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 985442244589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985442244539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11711502 + ... + 11795344.

It is an arithmetic number, because the mean of its divisors is an integer number (67682230560).

Almost surely, 2^985442244589 is an apocalyptic number.

It is an amenable number.

985442244589 is a deficient number, since it is larger than the sum of its proper divisors (97473444371).

985442244589 is a wasteful number, since it uses less digits than its factorization.

985442244589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91680.

The product of its digits is 132710400, while the sum is 64.

The spelling of 985442244589 in words is "nine hundred eighty-five billion, four hundred forty-two million, two hundred forty-four thousand, five hundred eighty-nine".