9609631144 has 8 divisors (see below), whose sum is σ = 18018058410. Its totient is φ = 4804815568.

The previous prime is 9609631117. The next prime is 9609631169. The reversal of 9609631144 is 4411369069.

9609631144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7834020100 + 1775611044 = 88510^2 + 42138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 9609631144.

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 as a sum of consecutive naturals, namely, 600601939 + ... + 600601954.

Almost surely, 2^9609631144 is an apocalyptic number.

It is an amenable number.

9609631144 is a deficient number, since it is larger than the sum of its proper divisors (8408427266).

9609631144 is a wasteful number, since it uses less digits than its factorization.

9609631144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201203899 (or 1201203895 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 9609631144 is about 98028.7261163788. The cubic root of 9609631144 is about 2126.0276381570.

The spelling of 9609631144 in words is "nine billion, six hundred nine million, six hundred thirty-one thousand, one hundred forty-four".