814563310705 has 32 divisors (see below), whose sum is σ = 1095970901760. Its totient is φ = 577558886400.

The previous prime is 814563310703. The next prime is 814563310709. The reversal of 814563310705 is 507013365418.

It is not a de Polignac number, because 814563310705 - 2¹ = 814563310703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (814563310703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240396 + ... + 1779805.

It is an arithmetic number, because the mean of its divisors is an integer number (34249090680).

Almost surely, 2^814563310705 is an apocalyptic number.

814563310705 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

814563310705 is a deficient number, since it is larger than the sum of its proper divisors (281407591055).

814563310705 is a wasteful number, since it uses less digits than its factorization.

814563310705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020409.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 814563310705 in words is "eight hundred fourteen billion, five hundred sixty-three million, three hundred ten thousand, seven hundred five".