9643315948 has 72 divisors (see below), whose sum is σ = 20417255712. Its totient is φ = 3901536000.

The previous prime is 9643315939. The next prime is 9643315991. The reversal of 9643315948 is 8495133469.

It is a happy number.

It is a super-3 number, since 3×9643315948³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 9643315895 and 9643315904.

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, 1098858 + ... + 1107598.

It is an arithmetic number, because the mean of its divisors is an integer number (283572996).

Almost surely, 2^9643315948 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 9643315948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10208627856).

9643315948 is an abundant number, since it is smaller than the sum of its proper divisors (10773939764).

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

9643315948 is a wasteful number, since it uses less digits than its factorization.

9643315948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855 (or 8822 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 9643315948 is about 98200.3866998496. The cubic root of 9643315948 is about 2128.5088748884.

The spelling of 9643315948 in words is "nine billion, six hundred forty-three million, three hundred fifteen thousand, nine hundred forty-eight".