9651272384 has 112 divisors (see below), whose sum is σ = 21429878400. Its totient is φ = 4281962496.

The previous prime is 9651272369. The next prime is 9651272401. The reversal of 9651272384 is 4832721569.

It is a super-2 number, since 2×9651272384² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6489689 + ... + 6491175.

It is an arithmetic number, because the mean of its divisors is an integer number (191338200).

Almost surely, 2^9651272384 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 9651272384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10714939200).

9651272384 is an abundant number, since it is smaller than the sum of its proper divisors (11778606016).

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

9651272384 is a wasteful number, since it uses less digits than its factorization.

9651272384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1800 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 9651272384 is about 98240.8895725196. The cubic root of 9651272384 is about 2129.0941054334.

The spelling of 9651272384 in words is "nine billion, six hundred fifty-one million, two hundred seventy-two thousand, three hundred eighty-four".