9648817324217 has 4 divisors (see below), whose sum is σ = 9686361360756. Its totient is φ = 9611273287680.

The previous prime is 9648817324129. The next prime is 9648817324259. The reversal of 9648817324217 is 7124237188469.

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 5376559825081 + 4272257499136 = 2318741^2 + 2066944^2 .

It is a cyclic number.

It is not a de Polignac number, because 9648817324217 - 2²⁰ = 9648816275641 is a prime.

It is a super-2 number, since 2×9648817324217² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9648817324217.

It is not an unprimeable number, because it can be changed into a prime (9648817326217) 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, 18772017884 + ... + 18772018397.

It is an arithmetic number, because the mean of its divisors is an integer number (2421590340189).

Almost surely, 2^{9648817324217} is an apocalyptic number.

It is an amenable number.

9648817324217 is a deficient number, since it is larger than the sum of its proper divisors (37544036539).

9648817324217 is a wasteful number, since it uses less digits than its factorization.

9648817324217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37544036538.

The product of its digits is 32514048, while the sum is 62.

The spelling of 9648817324217 in words is "nine trillion, six hundred forty-eight billion, eight hundred seventeen million, three hundred twenty-four thousand, two hundred seventeen".