4381673189 has 4 divisors (see below), whose sum is σ = 4381806156. Its totient is φ = 4381540224.

The previous prime is 4381673161. The next prime is 4381673227. The reversal of 4381673189 is 9813761834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1734056164 + 2647617025 = 41642^2 + 51455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381673189 - 2³² = 86705893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381673119) 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, 23957 + ... + 96629.

It is an arithmetic number, because the mean of its divisors is an integer number (1095451539).

Almost surely, 2^4381673189 is an apocalyptic number.

It is an amenable number.

4381673189 is a deficient number, since it is larger than the sum of its proper divisors (132967).

4381673189 is an equidigital number, since it uses as much as digits as its factorization.

4381673189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132966.

The product of its digits is 870912, while the sum is 50.

The square root of 4381673189 is about 66194.2081227655. The cubic root of 4381673189 is about 1636.3642924201.

The spelling of 4381673189 in words is "four billion, three hundred eighty-one million, six hundred seventy-three thousand, one hundred eighty-nine".