9421312756 has 48 divisors (see below), whose sum is σ = 17976606480. Its totient is φ = 4302766080.

The previous prime is 9421312751. The next prime is 9421312777. The reversal of 9421312756 is 6572131249.

It is a happy number.

9421312756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3225104100 + 6196208656 = 56790^2 + 78716^2 .

It is a super-2 number, since 2×9421312756² (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 (9421312751) 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 15 ways as a sum of consecutive naturals, for example, 529330 + ... + 546838.

It is an arithmetic number, because the mean of its divisors is an integer number (374512635).

Almost surely, 2^9421312756 is an apocalyptic number.

It is an amenable number.

9421312756 is a deficient number, since it is larger than the sum of its proper divisors (8555293724).

9421312756 is a wasteful number, since it uses less digits than its factorization.

9421312756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17764 (or 17762 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 9421312756 is about 97063.4470642785. The cubic root of 9421312756 is about 2112.0481117201.

The spelling of 9421312756 in words is "nine billion, four hundred twenty-one million, three hundred twelve thousand, seven hundred fifty-six".