9640635244 has 12 divisors (see below), whose sum is σ = 16911379800. Its totient is φ = 4808812448.

The previous prime is 9640635241. The next prime is 9640635259. The reversal of 9640635244 is 4425360469.

It is a happy number.

9640635244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9640635244.

It is not an unprimeable number, because it can be changed into a prime (9640635241) 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 3 ways as a sum of consecutive naturals, for example, 2874409 + ... + 2877760.

It is an arithmetic number, because the mean of its divisors is an integer number (1409281650).

Almost surely, 2^9640635244 is an apocalyptic number.

It is an amenable number.

9640635244 is a deficient number, since it is larger than the sum of its proper divisors (7270744556).

9640635244 is a wasteful number, since it uses less digits than its factorization.

9640635244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752592 (or 5752590 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 9640635244 is about 98186.7365991965. The cubic root of 9640635244 is about 2128.3116249284.

The spelling of 9640635244 in words is "nine billion, six hundred forty million, six hundred thirty-five thousand, two hundred forty-four".