818469518771 has 12 divisors (see below), whose sum is σ = 856939127232. Its totient is φ = 780911250000.

The previous prime is 818469518747. The next prime is 818469518791. The reversal of 818469518771 is 177815964818.

It is not a de Polignac number, because 818469518771 - 2¹⁴ = 818469502387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 818469518698 and 818469518707.

It is not an unprimeable number, because it can be changed into a prime (818469518731) 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 11 ways as a sum of consecutive naturals, for example, 2462480 + ... + 2775021.

It is an arithmetic number, because the mean of its divisors is an integer number (71411593936).

Almost surely, 2^818469518771 is an apocalyptic number.

818469518771 is a deficient number, since it is larger than the sum of its proper divisors (38469608461).

818469518771 is an equidigital number, since it uses as much as digits as its factorization.

818469518771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237674 (or 5237603 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 65.

The spelling of 818469518771 in words is "eight hundred eighteen billion, four hundred sixty-nine million, five hundred eighteen thousand, seven hundred seventy-one".