808663338513 has 8 divisors (see below), whose sum is σ = 1198019760800. Its totient is φ = 539108892324.

The previous prime is 808663338481. The next prime is 808663338521. The reversal of 808663338513 is 315833366808.

It is a happy number.

808663338513 is a `hidden beast` number, since 8 + 0 + 8 + 66 + 33 + 38 + 513 = 666.

It is not a de Polignac number, because 808663338513 - 2⁵ = 808663338481 is a prime.

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 808663338513.

It is not an unprimeable number, because it can be changed into a prime (808663338563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14975246983 + ... + 14975247036.

It is an arithmetic number, because the mean of its divisors is an integer number (149752470100).

Almost surely, 2^808663338513 is an apocalyptic number.

It is an amenable number.

808663338513 is a deficient number, since it is larger than the sum of its proper divisors (389356422287).

808663338513 is a wasteful number, since it uses less digits than its factorization.

808663338513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29950494028 (or 29950494022 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 808663338513 in words is "eight hundred eight billion, six hundred sixty-three million, three hundred thirty-eight thousand, five hundred thirteen".