6863823399 has 16 divisors (see below), whose sum is σ = 9294566400. Its totient is φ = 4504674720.

The previous prime is 6863823391. The next prime is 6863823401. The reversal of 6863823399 is 9933283686.

It is not a de Polignac number, because 6863823399 - 2³ = 6863823391 is a prime.

It is a super-2 number, since 2×6863823399² = 94224143305319826402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863823391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120402 + ... + 168000.

It is an arithmetic number, because the mean of its divisors is an integer number (580910400).

Almost surely, 2^6863823399 is an apocalyptic number.

6863823399 is a deficient number, since it is larger than the sum of its proper divisors (2430743001).

6863823399 is a wasteful number, since it uses less digits than its factorization.

6863823399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48350.

The product of its digits is 10077696, while the sum is 57.

The square root of 6863823399 is about 82848.1949048982. The cubic root of 6863823399 is about 1900.4452695108.

The spelling of 6863823399 in words is "six billion, eight hundred sixty-three million, eight hundred twenty-three thousand, three hundred ninety-nine".