489833935785 has 24 divisors (see below), whose sum is σ = 849066795720. Its totient is φ = 261238209792.

The previous prime is 489833935741. The next prime is 489833935807. The reversal of 489833935785 is 587539338984.

It is a happy number.

489833935785 is a `hidden beast` number, since 4 + 89 + 83 + 393 + 5 + 7 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52267561641 + 437566374144 = 228621^2 + 661488^2 .

It is not a de Polignac number, because 489833935785 - 2²⁰ = 489832887209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2067301 + ... + 2292029.

It is an arithmetic number, because the mean of its divisors is an integer number (35377783155).

Almost surely, 2^489833935785 is an apocalyptic number.

489833935785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489833935785 is a deficient number, since it is larger than the sum of its proper divisors (359232859935).

489833935785 is a wasteful number, since it uses less digits than its factorization.

489833935785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273177 (or 273174 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 489833935785 in words is "four hundred eighty-nine billion, eight hundred thirty-three million, nine hundred thirty-five thousand, seven hundred eighty-five".