810008014813 has 2 divisors, whose sum is σ = 810008014814. Its totient is φ = 810008014812.

The previous prime is 810008014793. The next prime is 810008014843. The reversal of 810008014813 is 318410800018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673756963929 + 136251050884 = 820827^2 + 369122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810008014813 is a prime.

It is a super-2 number, since 2×810008014813² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810008014843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405004007406 + 405004007407.

It is an arithmetic number, because the mean of its divisors is an integer number (405004007407).

Almost surely, 2^810008014813 is an apocalyptic number.

It is an amenable number.

810008014813 is a deficient number, since it is larger than the sum of its proper divisors (1).

810008014813 is an equidigital number, since it uses as much as digits as its factorization.

810008014813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 34.

The spelling of 810008014813 in words is "eight hundred ten billion, eight million, fourteen thousand, eight hundred thirteen".