985452545254589 has 8 divisors (see below), whose sum is σ = 997476600859200. Its totient is φ = 973432088063776.

The previous prime is 985452545254561. The next prime is 985452545254591.

It is a happy number.

985452545254589 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 985452545254589 - 2¹⁶ = 985452545189053 is a prime.

It is a super-2 number, since 2×985452545254589² (a number of 31 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985452545254889) 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, 899052392 + ... + 900147825.

It is an arithmetic number, because the mean of its divisors is an integer number (124684575107400).

Almost surely, 2^{985452545254589} is an apocalyptic number.

It is an amenable number.

985452545254589 is a deficient number, since it is larger than the sum of its proper divisors (12024055604611).

985452545254589 is a wasteful number, since it uses less digits than its factorization.

985452545254589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799206899.

The product of its digits is 20736000000, while the sum is 80.

The spelling of 985452545254589 in words is "nine hundred eighty-five trillion, four hundred fifty-two billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred eighty-nine".