6381823685 has 8 divisors (see below), whose sum is σ = 7991153280. Its totient is φ = 4883482384.

The previous prime is 6381823663. The next prime is 6381823687. The reversal of 6381823685 is 5863281836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6381823685 - 2²⁰ = 6380775109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381823687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27746945 + ... + 27747174.

It is an arithmetic number, because the mean of its divisors is an integer number (998894160).

Almost surely, 2^6381823685 is an apocalyptic number.

It is an amenable number.

6381823685 is a deficient number, since it is larger than the sum of its proper divisors (1609329595).

6381823685 is a wasteful number, since it uses less digits than its factorization.

6381823685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55494147.

The product of its digits is 1658880, while the sum is 50.

The square root of 6381823685 is about 79886.3172577132. The cubic root of 6381823685 is about 1854.8762214495.

The spelling of 6381823685 in words is "six billion, three hundred eighty-one million, eight hundred twenty-three thousand, six hundred eighty-five".