4443312105 has 48 divisors (see below), whose sum is σ = 8033538240. Its totient is φ = 2355956928.

The previous prime is 4443312101. The next prime is 4443312143. The reversal of 4443312105 is 5012133444.

It is a happy number.

4443312105 is a `hidden beast` number, since 4 + 443 + 3 + 1 + 210 + 5 = 666.

4443312105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4443312105 - 2² = 4443312101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4443312101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199626 + ... + 220764.

It is an arithmetic number, because the mean of its divisors is an integer number (167365380).

Almost surely, 2^4443312105 is an apocalyptic number.

4443312105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4443312105 is a deficient number, since it is larger than the sum of its proper divisors (3590226135).

4443312105 is a wasteful number, since it uses less digits than its factorization.

4443312105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332 (or 21320 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4443312105 is about 66658.1735798394. The cubic root of 4443312105 is about 1644.0017415667.

Adding to 4443312105 its reverse (5012133444), we get a palindrome (9455445549).

The spelling of 4443312105 in words is "four billion, four hundred forty-three million, three hundred twelve thousand, one hundred five".