223104682178849 has 2 divisors, whose sum is σ = 223104682178850. Its totient is φ = 223104682178848.

The previous prime is 223104682178803. The next prime is 223104682178893. The reversal of 223104682178849 is 948871286401322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210517087768849 + 12587594410000 = 14509207^2 + 3547900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223104682178849 is a prime.

It is a super-3 number, since 3×223104682178849³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223104682178449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111552341089424 + 111552341089425.

It is an arithmetic number, because the mean of its divisors is an integer number (111552341089425).

Almost surely, 2^{223104682178849} is an apocalyptic number.

It is an amenable number.

223104682178849 is a deficient number, since it is larger than the sum of its proper divisors (1).

223104682178849 is an equidigital number, since it uses as much as digits as its factorization.

223104682178849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74317824, while the sum is 65.

The spelling of 223104682178849 in words is "two hundred twenty-three trillion, one hundred four billion, six hundred eighty-two million, one hundred seventy-eight thousand, eight hundred forty-nine".