985099935289 has 4 divisors (see below), whose sum is σ = 1043046990324. Its totient is φ = 927152880256.

The previous prime is 985099935283. The next prime is 985099935319. The reversal of 985099935289 is 982539990589.

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 547907883264 + 437192052025 = 740208^2 + 661205^2 .

It is a cyclic number.

It is not a de Polignac number, because 985099935289 - 2⁷ = 985099935161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985099935283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28973527492 + ... + 28973527525.

It is an arithmetic number, because the mean of its divisors is an integer number (260761747581).

Almost surely, 2^985099935289 is an apocalyptic number.

It is an amenable number.

985099935289 is a deficient number, since it is larger than the sum of its proper divisors (57947055035).

985099935289 is a wasteful number, since it uses less digits than its factorization.

985099935289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57947055034.

The product of its (nonzero) digits is 566870400, while the sum is 76.

The spelling of 985099935289 in words is "nine hundred eighty-five billion, ninety-nine million, nine hundred thirty-five thousand, two hundred eighty-nine".