814831368859 has 2 divisors, whose sum is σ = 814831368860. Its totient is φ = 814831368858.

The previous prime is 814831368829. The next prime is 814831368913. The reversal of 814831368859 is 958863138418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 814831368859 - 2⁷ = 814831368731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 814831368859.

It is not a weakly prime, because it can be changed into another prime (814831368829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407415684429 + 407415684430.

It is an arithmetic number, because the mean of its divisors is an integer number (407415684430).

Almost surely, 2^814831368859 is an apocalyptic number.

814831368859 is a deficient number, since it is larger than the sum of its proper divisors (1).

814831368859 is an equidigital number, since it uses as much as digits as its factorization.

814831368859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39813120, while the sum is 64.

The spelling of 814831368859 in words is "eight hundred fourteen billion, eight hundred thirty-one million, three hundred sixty-eight thousand, eight hundred fifty-nine".