852892404809 has 2 divisors, whose sum is σ = 852892404810. Its totient is φ = 852892404808.

The previous prime is 852892404799. The next prime is 852892404863. The reversal of 852892404809 is 908404298258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796413456400 + 56478948409 = 892420^2 + 237653^2 .

It is a cyclic number.

It is not a de Polignac number, because 852892404809 - 2³⁶ = 784172928073 is a prime.

It is not a weakly prime, because it can be changed into another prime (852892404899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426446202404 + 426446202405.

It is an arithmetic number, because the mean of its divisors is an integer number (426446202405).

Almost surely, 2^852892404809 is an apocalyptic number.

It is an amenable number.

852892404809 is a deficient number, since it is larger than the sum of its proper divisors (1).

852892404809 is an equidigital number, since it uses as much as digits as its factorization.

852892404809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 852892404809 in words is "eight hundred fifty-two billion, eight hundred ninety-two million, four hundred four thousand, eight hundred nine".