3881733889 has 4 divisors (see below), whose sum is σ = 4234618800. Its totient is φ = 3528848980.

The previous prime is 3881733881. The next prime is 3881733929. The reversal of 3881733889 is 9883371883.

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 3881733889 - 2³ = 3881733881 is a prime.

It is a super-2 number, since 2×3881733889² = 30135715970022128642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881733881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176442439 + ... + 176442460.

It is an arithmetic number, because the mean of its divisors is an integer number (1058654700).

Almost surely, 2^3881733889 is an apocalyptic number.

It is an amenable number.

3881733889 is a deficient number, since it is larger than the sum of its proper divisors (352884911).

3881733889 is a wasteful number, since it uses less digits than its factorization.

3881733889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352884910.

The product of its digits is 6967296, while the sum is 58.

The square root of 3881733889 is about 62303.5624101865. The cubic root of 3881733889 is about 1571.5996366023.

The spelling of 3881733889 in words is "three billion, eight hundred eighty-one million, seven hundred thirty-three thousand, eight hundred eighty-nine".