818469268 has 6 divisors (see below), whose sum is σ = 1432321226. Its totient is φ = 409234632.

The previous prime is 818469217. The next prime is 818469271. The reversal of 818469268 is 862964818.

It can be written as a sum of positive squares in only one way, i.e., 548590084 + 269879184 = 23422^2 + 16428^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102308655 + ... + 102308662.

Almost surely, 2^818469268 is an apocalyptic number.

It is an amenable number.

818469268 is a deficient number, since it is larger than the sum of its proper divisors (613851958).

818469268 is a wasteful number, since it uses less digits than its factorization.

818469268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204617321 (or 204617319 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The square root of 818469268 is about 28608.9019013313. The cubic root of 818469268 is about 935.4073807914.

The spelling of 818469268 in words is "eight hundred eighteen million, four hundred sixty-nine thousand, two hundred sixty-eight".