810274844473 has 2 divisors, whose sum is σ = 810274844474. Its totient is φ = 810274844472.

The previous prime is 810274844471. The next prime is 810274844497. The reversal of 810274844473 is 374448472018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755112336784 + 55162507689 = 868972^2 + 234867^2 .

It is a cyclic number.

It is not a de Polignac number, because 810274844473 - 2¹ = 810274844471 is a prime.

Together with 810274844471, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 810274844473.

It is not a weakly prime, because it can be changed into another prime (810274844471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405137422236 + 405137422237.

It is an arithmetic number, because the mean of its divisors is an integer number (405137422237).

Almost surely, 2^810274844473 is an apocalyptic number.

It is an amenable number.

810274844473 is a deficient number, since it is larger than the sum of its proper divisors (1).

810274844473 is an equidigital number, since it uses as much as digits as its factorization.

810274844473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4816896, while the sum is 52.

The spelling of 810274844473 in words is "eight hundred ten billion, two hundred seventy-four million, eight hundred forty-four thousand, four hundred seventy-three".