4818686823 has 12 divisors (see below), whose sum is σ = 7148442808. Its totient is φ = 3125634480.

The previous prime is 4818686819. The next prime is 4818686837. The reversal of 4818686823 is 3286868184.

4818686823 is a `hidden beast` number, since 481 + 8 + 6 + 86 + 82 + 3 = 666.

It is not a de Polignac number, because 4818686823 - 2² = 4818686819 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 4818686823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4818686123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7234933 + ... + 7235598.

Almost surely, 2^4818686823 is an apocalyptic number.

4818686823 is a deficient number, since it is larger than the sum of its proper divisors (2329755985).

4818686823 is a wasteful number, since it uses less digits than its factorization.

4818686823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470574 (or 14470571 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 4818686823 is about 69416.7618302669. The cubic root of 4818686823 is about 1689.0515344874.

The spelling of 4818686823 in words is "four billion, eight hundred eighteen million, six hundred eighty-six thousand, eight hundred twenty-three".