9644234860 has 24 divisors (see below), whose sum is σ = 21810808656. Its totient is φ = 3560948160.

The previous prime is 9644234849. The next prime is 9644234869. The reversal of 9644234860 is 684324469.

It is a super-2 number, since 2×9644234860² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9644234860.

It is not an unprimeable number, because it can be changed into a prime (9644234869) 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 7 ways as a sum of consecutive naturals, for example, 18546346 + ... + 18546865.

It is an arithmetic number, because the mean of its divisors is an integer number (908783694).

Almost surely, 2^9644234860 is an apocalyptic number.

It is an amenable number.

9644234860 is an abundant number, since it is smaller than the sum of its proper divisors (12166573796).

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

9644234860 is a wasteful number, since it uses less digits than its factorization.

9644234860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37093233 (or 37093231 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 9644234860 is about 98205.0653479748. The cubic root of 9644234860 is about 2128.5764813091.

The spelling of 9644234860 in words is "nine billion, six hundred forty-four million, two hundred thirty-four thousand, eight hundred sixty".