9597973944 has 128 divisors (see below), whose sum is σ = 26503122240. Its totient is φ = 2878267392.

The previous prime is 9597973927. The next prime is 9597973949. The reversal of 9597973944 is 4493797959.

9597973944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9597973944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9597973949) 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 31 ways as a sum of consecutive naturals, for example, 2594304 + ... + 2598000.

Almost surely, 2^9597973944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9597973944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13251561120).

9597973944 is an abundant number, since it is smaller than the sum of its proper divisors (16905148296).

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

9597973944 is a wasteful number, since it uses less digits than its factorization.

9597973944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3925 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 66.

The square root of 9597973944 is about 97969.2499920256. The cubic root of 9597973944 is about 2125.1676135562.

The spelling of 9597973944 in words is "nine billion, five hundred ninety-seven million, nine hundred seventy-three thousand, nine hundred forty-four".