2215880320193 has 2 divisors, whose sum is σ = 2215880320194. Its totient is φ = 2215880320192.

The previous prime is 2215880320189. The next prime is 2215880320249. The reversal of 2215880320193 is 3910230885122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2213691671104 + 2188649089 = 1487848^2 + 46783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215880320193 - 2² = 2215880320189 is a prime.

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 (2215880320123) 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, 1107940160096 + 1107940160097.

It is an arithmetic number, because the mean of its divisors is an integer number (1107940160097).

Almost surely, 2^{2215880320193} is an apocalyptic number.

It is an amenable number.

2215880320193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215880320193 is an equidigital number, since it uses as much as digits as its factorization.

2215880320193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 2215880320193 in words is "two trillion, two hundred fifteen billion, eight hundred eighty million, three hundred twenty thousand, one hundred ninety-three".