2205018268393 has 2 divisors, whose sum is σ = 2205018268394. Its totient is φ = 2205018268392.

The previous prime is 2205018268379. The next prime is 2205018268399. The reversal of 2205018268393 is 3938628105022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2186692690009 + 18325578384 = 1478747^2 + 135372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205018268393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205018268399) 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 as a sum of consecutive naturals, namely, 1102509134196 + 1102509134197.

It is an arithmetic number, because the mean of its divisors is an integer number (1102509134197).

Almost surely, 2^{2205018268393} is an apocalyptic number.

It is an amenable number.

2205018268393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205018268393 is an equidigital number, since it uses as much as digits as its factorization.

2205018268393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 2205018268393 in words is "two trillion, two hundred five billion, eighteen million, two hundred sixty-eight thousand, three hundred ninety-three".