200784585641 has 2 divisors, whose sum is σ = 200784585642. Its totient is φ = 200784585640.

The previous prime is 200784585601. The next prime is 200784585737. The reversal of 200784585641 is 146585487002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200757763600 + 26822041 = 448060^2 + 5179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200784585641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200784585641.

It is not a weakly prime, because it can be changed into another prime (200784585601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100392292820 + 100392292821.

It is an arithmetic number, because the mean of its divisors is an integer number (100392292821).

Almost surely, 2^200784585641 is an apocalyptic number.

It is an amenable number.

200784585641 is a deficient number, since it is larger than the sum of its proper divisors (1).

200784585641 is an equidigital number, since it uses as much as digits as its factorization.

200784585641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 200784585641 in words is "two hundred billion, seven hundred eighty-four million, five hundred eighty-five thousand, six hundred forty-one".