810608514244 has 9 divisors (see below), whose sum is σ = 1418568051117. Its totient is φ = 405303356784.

The previous prime is 810608514223. The next prime is 810608514263. The reversal of 810608514244 is 442415806018.

The square root of 810608514244 is 900338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 357410274244 + 453198240000 = 597838^2 + 673200^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 810608514244.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 1575592 + ... + 2025760.

Almost surely, 2^810608514244 is an apocalyptic number.

810608514244 is the 900338-th square number.

It is an amenable number.

810608514244 is a deficient number, since it is larger than the sum of its proper divisors (607959536873).

810608514244 is an frugal number, since it uses more digits than its factorization.

810608514244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900342 (or 450171 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 810608514244 in words is "eight hundred ten billion, six hundred eight million, five hundred fourteen thousand, two hundred forty-four".