209975850482833 has 2 divisors, whose sum is σ = 209975850482834. Its totient is φ = 209975850482832.

The previous prime is 209975850482791. The next prime is 209975850482873. The reversal of 209975850482833 is 338284058579902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149150700776529 + 60825149706304 = 12212727^2 + 7799048^2 .

It is a cyclic number.

It is not a de Polignac number, because 209975850482833 - 2³⁷ = 209838411529361 is a prime.

It is not a weakly prime, because it can be changed into another prime (209975850482873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104987925241416 + 104987925241417.

It is an arithmetic number, because the mean of its divisors is an integer number (104987925241417).

Almost surely, 2^{209975850482833} is an apocalyptic number.

It is an amenable number.

209975850482833 is a deficient number, since it is larger than the sum of its proper divisors (1).

209975850482833 is an equidigital number, since it uses as much as digits as its factorization.

209975850482833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1045094400, while the sum is 73.

The spelling of 209975850482833 in words is "two hundred nine trillion, nine hundred seventy-five billion, eight hundred fifty million, four hundred eighty-two thousand, eight hundred thirty-three".