810675340811 has 4 divisors (see below), whose sum is σ = 926486103792. Its totient is φ = 694864577832.

The previous prime is 810675340807. The next prime is 810675340843. The reversal of 810675340811 is 118043576018.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 810675340811 - 2² = 810675340807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810675340511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57905381480 + ... + 57905381493.

It is an arithmetic number, because the mean of its divisors is an integer number (231621525948).

Almost surely, 2^810675340811 is an apocalyptic number.

810675340811 is a deficient number, since it is larger than the sum of its proper divisors (115810762981).

810675340811 is a wasteful number, since it uses less digits than its factorization.

810675340811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115810762980.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 810675340811 in words is "eight hundred ten billion, six hundred seventy-five million, three hundred forty thousand, eight hundred eleven".