200473073561 has 2 divisors, whose sum is σ = 200473073562. Its totient is φ = 200473073560.

The previous prime is 200473073539. The next prime is 200473073573. The reversal of 200473073561 is 165370374002.

200473073561 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., 195656713561 + 4816360000 = 442331^2 + 69400^2 .

It is a cyclic number.

It is not a de Polignac number, because 200473073561 - 2¹⁴ = 200473057177 is a prime.

It is not a weakly prime, because it can be changed into another prime (200473073761) 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, 100236536780 + 100236536781.

It is an arithmetic number, because the mean of its divisors is an integer number (100236536781).

Almost surely, 2^200473073561 is an apocalyptic number.

It is an amenable number.

200473073561 is a deficient number, since it is larger than the sum of its proper divisors (1).

200473073561 is an equidigital number, since it uses as much as digits as its factorization.

200473073561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 200473073561 in words is "two hundred billion, four hundred seventy-three million, seventy-three thousand, five hundred sixty-one".