208773922433 has 2 divisors, whose sum is σ = 208773922434. Its totient is φ = 208773922432.

The previous prime is 208773922381. The next prime is 208773922447. The reversal of 208773922433 is 334229377802.

208773922433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198281402944 + 10492519489 = 445288^2 + 102433^2 .

It is a cyclic number.

It is not a de Polignac number, because 208773922433 - 2⁶ = 208773922369 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 (208773922493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104386961216 + 104386961217.

It is an arithmetic number, because the mean of its divisors is an integer number (104386961217).

Almost surely, 2^208773922433 is an apocalyptic number.

It is an amenable number.

208773922433 is a deficient number, since it is larger than the sum of its proper divisors (1).

208773922433 is an equidigital number, since it uses as much as digits as its factorization.

208773922433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 208773922433 in words is "two hundred eight billion, seven hundred seventy-three million, nine hundred twenty-two thousand, four hundred thirty-three".