3831382681 has 4 divisors (see below), whose sum is σ = 4378723072. Its totient is φ = 3284042292.

The previous prime is 3831382673. The next prime is 3831382697. The reversal of 3831382681 is 1862831383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3831382681 - 2³ = 3831382673 is a prime.

It is a super-2 number, since 2×3831382681² = 29358986496533495522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3831382981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273670185 + ... + 273670198.

It is an arithmetic number, because the mean of its divisors is an integer number (1094680768).

Almost surely, 2^3831382681 is an apocalyptic number.

It is an amenable number.

3831382681 is a deficient number, since it is larger than the sum of its proper divisors (547340391).

3831382681 is an equidigital number, since it uses as much as digits as its factorization.

3831382681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547340390.

The product of its digits is 165888, while the sum is 43.

The square root of 3831382681 is about 61898.1637934438. The cubic root of 3831382681 is about 1564.7748019487.

The spelling of 3831382681 in words is "three billion, eight hundred thirty-one million, three hundred eighty-two thousand, six hundred eighty-one".