985500034169 has 32 divisors (see below), whose sum is σ = 1189250860800. Its totient is φ = 797770321920.

The previous prime is 985500034163. The next prime is 985500034177. The reversal of 985500034169 is 961430005589.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-985500034169 is a prime.

It is a super-2 number, since 2×985500034169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985500034163) 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 31 ways as a sum of consecutive naturals, for example, 71775497 + ... + 71789225.

It is an arithmetic number, because the mean of its divisors is an integer number (37164089400).

Almost surely, 2^985500034169 is an apocalyptic number.

It is an amenable number.

985500034169 is a deficient number, since it is larger than the sum of its proper divisors (203750826631).

985500034169 is a wasteful number, since it uses less digits than its factorization.

985500034169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15393.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 985500034169 in words is "nine hundred eighty-five billion, five hundred million, thirty-four thousand, one hundred sixty-nine".