804284802289 has 2 divisors, whose sum is σ = 804284802290. Its totient is φ = 804284802288.

The previous prime is 804284802283. The next prime is 804284802313. The reversal of 804284802289 is 982208482408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726769890064 + 77514912225 = 852508^2 + 278415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804284802289 is a prime.

It is not a weakly prime, because it can be changed into another prime (804284802283) 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, 402142401144 + 402142401145.

It is an arithmetic number, because the mean of its divisors is an integer number (402142401145).

Almost surely, 2^804284802289 is an apocalyptic number.

It is an amenable number.

804284802289 is a deficient number, since it is larger than the sum of its proper divisors (1).

804284802289 is an equidigital number, since it uses as much as digits as its factorization.

804284802289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4718592, while the sum is 55.

The spelling of 804284802289 in words is "eight hundred four billion, two hundred eighty-four million, eight hundred two thousand, two hundred eighty-nine".