4381605106 has 4 divisors (see below), whose sum is σ = 6572407662. Its totient is φ = 2190802552.

The previous prime is 4381605043. The next prime is 4381605161. The reversal of 4381605106 is 6015061834.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3738221881 + 643383225 = 61141^2 + 25365^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1095401275 + ... + 1095401278.

Almost surely, 2^4381605106 is an apocalyptic number.

4381605106 is a deficient number, since it is larger than the sum of its proper divisors (2190802556).

4381605106 is a wasteful number, since it uses less digits than its factorization.

4381605106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190802555.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4381605106 is about 66193.6938537199. The cubic root of 4381605106 is about 1636.3558170302.

The spelling of 4381605106 in words is "four billion, three hundred eighty-one million, six hundred five thousand, one hundred six".