985498894589 has 8 divisors (see below), whose sum is σ = 1097963952768. Its totient is φ = 876846211360.

The previous prime is 985498894517. The next prime is 985498894649.

985498894589 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985498894589 - 2²⁸ = 985230459133 is a prime.

It is a super-2 number, since 2×985498894589² (a number of 25 digits) contains 22 as substring.

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 985498894589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985498894189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953093192 + ... + 953094225.

It is an arithmetic number, because the mean of its divisors is an integer number (137245494096).

Almost surely, 2^985498894589 is an apocalyptic number.

It is an amenable number.

985498894589 is a deficient number, since it is larger than the sum of its proper divisors (112465058179).

985498894589 is a wasteful number, since it uses less digits than its factorization.

985498894589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906187475.

The product of its digits is 10749542400, while the sum is 86.

The spelling of 985498894589 in words is "nine hundred eighty-five billion, four hundred ninety-eight million, eight hundred ninety-four thousand, five hundred eighty-nine".