9812316528 has 480 divisors, whose sum is σ = 34636592640. Its totient is φ = 2530621440.

The previous prime is 9812316499. The next prime is 9812316529. The reversal of 9812316528 is 8256132189.

9812316528 is a `hidden beast` number, since 98 + 1 + 2 + 31 + 6 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9812316529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43225951 + ... + 43226177.

It is an arithmetic number, because the mean of its divisors is an integer number (72159568).

Almost surely, 2^9812316528 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 9812316528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17318296320).

9812316528 is an abundant number, since it is smaller than the sum of its proper divisors (24824276112).

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

9812316528 is a wasteful number, since it uses less digits than its factorization.

9812316528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 356 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9812316528 is about 99057.1376933535. The cubic root of 9812316528 is about 2140.8710845138.

The spelling of 9812316528 in words is "nine billion, eight hundred twelve million, three hundred sixteen thousand, five hundred twenty-eight".