9859416812 has 18 divisors (see below), whose sum is σ = 20070956052. Its totient is φ = 4225464264.

The previous prime is 9859416811. The next prime is 9859416823. The reversal of 9859416812 is 2186149589.

9859416812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9859416811) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 25151378 + ... + 25151769.

It is an arithmetic number, because the mean of its divisors is an integer number (1115053114).

Almost surely, 2^9859416812 is an apocalyptic number.

It is an amenable number.

9859416812 is an abundant number, since it is smaller than the sum of its proper divisors (10211539240).

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

9859416812 is a wasteful number, since it uses less digits than its factorization.

9859416812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50303165 (or 50303156 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The square root of 9859416812 is about 99294.5960865948. The cubic root of 9859416812 is about 2144.2910966205.

The spelling of 9859416812 in words is "nine billion, eight hundred fifty-nine million, four hundred sixteen thousand, eight hundred twelve".