810384853 has 2 divisors, whose sum is σ = 810384854. Its totient is φ = 810384852.

The previous prime is 810384769. The next prime is 810384863. The reversal of 810384853 is 358483018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559700964 + 250683889 = 23658^2 + 15833^2 .

It is a cyclic number.

It is not a de Polignac number, because 810384853 - 2¹⁷ = 810253781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810384863) 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, 405192426 + 405192427.

It is an arithmetic number, because the mean of its divisors is an integer number (405192427).

Almost surely, 2^810384853 is an apocalyptic number.

It is an amenable number.

810384853 is a deficient number, since it is larger than the sum of its proper divisors (1).

810384853 is an equidigital number, since it uses as much as digits as its factorization.

810384853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 810384853 is about 28467.2593166255. The cubic root of 810384853 is about 932.3173614666.

The spelling of 810384853 in words is "eight hundred ten million, three hundred eighty-four thousand, eight hundred fifty-three".