9559638648 has 96 divisors (see below), whose sum is σ = 30609727200. Its totient is φ = 2637137664.

The previous prime is 9559638637. The next prime is 9559638661. The reversal of 9559638648 is 8468369559.

9559638648 is a `hidden beast` number, since 9 + 5 + 596 + 38 + 6 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312411 + ... + 341642.

It is an arithmetic number, because the mean of its divisors is an integer number (318851325).

Almost surely, 2^9559638648 is an apocalyptic number.

It is an amenable number.

9559638648 is an abundant number, since it is smaller than the sum of its proper divisors (21050088552).

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

9559638648 is a wasteful number, since it uses less digits than its factorization.

9559638648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654101 (or 654094 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The square root of 9559638648 is about 97773.4046047288. The cubic root of 9559638648 is about 2122.3344588227.

The spelling of 9559638648 in words is "nine billion, five hundred fifty-nine million, six hundred thirty-eight thousand, six hundred forty-eight".