9451344013 has 2 divisors, whose sum is σ = 9451344014. Its totient is φ = 9451344012.

The previous prime is 9451343981. The next prime is 9451344017. The reversal of 9451344013 is 3104431549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9451339524 + 4489 = 97218^2 + 67^2 .

It is an emirp because it is prime and its reverse (3104431549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9451344013 - 2⁵ = 9451343981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9451344013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9451344017) 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, 4725672006 + 4725672007.

It is an arithmetic number, because the mean of its divisors is an integer number (4725672007).

Almost surely, 2^9451344013 is an apocalyptic number.

It is an amenable number.

9451344013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9451344013 is an equidigital number, since it uses as much as digits as its factorization.

9451344013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 9451344013 is about 97218.0230872856. The cubic root of 9451344013 is about 2114.2898440863.

The spelling of 9451344013 in words is "nine billion, four hundred fifty-one million, three hundred forty-four thousand, thirteen".