9412336721 has 2 divisors, whose sum is σ = 9412336722. Its totient is φ = 9412336720.

The previous prime is 9412336709. The next prime is 9412336757. The reversal of 9412336721 is 1276332149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4874832400 + 4537504321 = 69820^2 + 67361^2 .

It is a cyclic number.

It is not a de Polignac number, because 9412336721 - 2¹⁰ = 9412335697 is a prime.

It is not a weakly prime, because it can be changed into another prime (9412366721) 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 as a sum of consecutive naturals, namely, 4706168360 + 4706168361.

It is an arithmetic number, because the mean of its divisors is an integer number (4706168361).

Almost surely, 2^9412336721 is an apocalyptic number.

It is an amenable number.

9412336721 is a deficient number, since it is larger than the sum of its proper divisors (1).

9412336721 is an equidigital number, since it uses as much as digits as its factorization.

9412336721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 9412336721 is about 97017.1980681776. The cubic root of 9412336721 is about 2111.3771563357.

The spelling of 9412336721 in words is "nine billion, four hundred twelve million, three hundred thirty-six thousand, seven hundred twenty-one".