6243045222217 has 2 divisors, whose sum is σ = 6243045222218. Its totient is φ = 6243045222216.

The previous prime is 6243045222209. The next prime is 6243045222221. The reversal of 6243045222217 is 7122225403426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5303122728201 + 939922494016 = 2302851^2 + 969496^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243045222217 - 2³ = 6243045222209 is a prime.

It is a super-2 number, since 2×6243045222217² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6243045222217.

It is not a weakly prime, because it can be changed into another prime (6243045222257) 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, 3121522611108 + 3121522611109.

It is an arithmetic number, because the mean of its divisors is an integer number (3121522611109).

Almost surely, 2^{6243045222217} is an apocalyptic number.

It is an amenable number.

6243045222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243045222217 is an equidigital number, since it uses as much as digits as its factorization.

6243045222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 6243045222217 in words is "six trillion, two hundred forty-three billion, forty-five million, two hundred twenty-two thousand, two hundred seventeen".