9647243233073 has 4 divisors (see below), whose sum is σ = 9732617067108. Its totient is φ = 9561869399040.

The previous prime is 9647243233039. The next prime is 9647243233079. The reversal of 9647243233073 is 3703323427469.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1644839595169 + 8002403637904 = 1282513^2 + 2828852^2 .

It is a cyclic number.

It is not a de Polignac number, because 9647243233073 - 2²⁰ = 9647242184497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9647243233079) 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 3 ways as a sum of consecutive naturals, for example, 42686916848 + ... + 42686917073.

It is an arithmetic number, because the mean of its divisors is an integer number (2433154266777).

Almost surely, 2^{9647243233073} is an apocalyptic number.

It is an amenable number.

9647243233073 is a deficient number, since it is larger than the sum of its proper divisors (85373834035).

9647243233073 is a wasteful number, since it uses less digits than its factorization.

9647243233073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85373834034.

The product of its (nonzero) digits is 13716864, while the sum is 53.

The spelling of 9647243233073 in words is "nine trillion, six hundred forty-seven billion, two hundred forty-three million, two hundred thirty-three thousand, seventy-three".