9000009850 has 48 divisors (see below), whose sum is σ = 18073640088. Its totient is φ = 3314615040.

The previous prime is 9000009839. The next prime is 9000009853. The reversal of 9000009850 is 589000009.

It can be written as a sum of positive squares in 12 ways, for example, as 717007729 + 8283002121 = 26777^2 + 91011^2 .

It is not an unprimeable number, because it can be changed into a prime (9000009853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240612 + ... + 275488.

Almost surely, 2^9000009850 is an apocalyptic number.

9000009850 is an abundant number, since it is smaller than the sum of its proper divisors (9073630238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9000009850 is a wasteful number, since it uses less digits than its factorization.

9000009850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35299 (or 35294 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 9000009850 is about 94868.3817190954. The cubic root of 9000009850 is about 2080.0845818970.

Adding to 9000009850 its reverse (589000009), we get a palindrome (9589009859).

The spelling of 9000009850 in words is "nine billion, nine thousand, eight hundred fifty".