9812738268 has 36 divisors (see below), whose sum is σ = 24817807560. Its totient is φ = 3269147616.

The previous prime is 9812738261. The next prime is 9812738303. The reversal of 9812738268 is 8628372189.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9812738261) 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 11 ways as a sum of consecutive naturals, for example, 5038 + ... + 140181.

Almost surely, 2^9812738268 is an apocalyptic number.

It is an amenable number.

9812738268 is an abundant number, since it is smaller than the sum of its proper divisors (15005069292).

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

9812738268 is a wasteful number, since it uses less digits than its factorization.

9812738268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147106 (or 147101 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 9812738268 is about 99059.2664418630. The cubic root of 9812738268 is about 2140.9017561034.

The spelling of 9812738268 in words is "nine billion, eight hundred twelve million, seven hundred thirty-eight thousand, two hundred sixty-eight".