9212342917 has 4 divisors (see below), whose sum is σ = 9461325196. Its totient is φ = 8963360640.

The previous prime is 9212342911. The next prime is 9212342921. The reversal of 9212342917 is 7192432129.

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 7391528676 + 1820814241 = 85974^2 + 42671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9212342917 is a prime.

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 9212342917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212342911) 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 in 3 ways as a sum of consecutive naturals, for example, 124491084 + ... + 124491157.

It is an arithmetic number, because the mean of its divisors is an integer number (2365331299).

Almost surely, 2^9212342917 is an apocalyptic number.

It is an amenable number.

9212342917 is a deficient number, since it is larger than the sum of its proper divisors (248982279).

9212342917 is a wasteful number, since it uses less digits than its factorization.

9212342917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248982278.

The product of its digits is 54432, while the sum is 40.

The square root of 9212342917 is about 95980.9508027504. The cubic root of 9212342917 is about 2096.3157560841.

The spelling of 9212342917 in words is "nine billion, two hundred twelve million, three hundred forty-two thousand, nine hundred seventeen".