9645343613 has 2 divisors, whose sum is σ = 9645343614. Its totient is φ = 9645343612.

The previous prime is 9645343529. The next prime is 9645343621. The reversal of 9645343613 is 3163435469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7064906809 + 2580436804 = 84053^2 + 50798^2 .

It is an emirp because it is prime and its reverse (3163435469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9645343613 - 2¹⁴ = 9645327229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9645343633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4822671806 + 4822671807.

It is an arithmetic number, because the mean of its divisors is an integer number (4822671807).

Almost surely, 2^9645343613 is an apocalyptic number.

It is an amenable number.

9645343613 is a deficient number, since it is larger than the sum of its proper divisors (1).

9645343613 is an equidigital number, since it uses as much as digits as its factorization.

9645343613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 44.

The square root of 9645343613 is about 98210.7102764256. The cubic root of 9645343613 is about 2128.6580490421.

The spelling of 9645343613 in words is "nine billion, six hundred forty-five million, three hundred forty-three thousand, six hundred thirteen".