4381656189 has 4 divisors (see below), whose sum is σ = 5842208256. Its totient is φ = 2921104124.

The previous prime is 4381656187. The next prime is 4381656221. The reversal of 4381656189 is 9816561834.

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 4381656189 - 2¹ = 4381656187 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381656187) 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, 730276029 + ... + 730276034.

It is an arithmetic number, because the mean of its divisors is an integer number (1460552064).

Almost surely, 2^4381656189 is an apocalyptic number.

It is an amenable number.

4381656189 is a deficient number, since it is larger than the sum of its proper divisors (1460552067).

4381656189 is a wasteful number, since it uses less digits than its factorization.

4381656189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460552066.

The product of its digits is 1244160, while the sum is 51.

The square root of 4381656189 is about 66194.0797126148. The cubic root of 4381656189 is about 1636.3621761640.

The spelling of 4381656189 in words is "four billion, three hundred eighty-one million, six hundred fifty-six thousand, one hundred eighty-nine".