4128019827 has 8 divisors (see below), whose sum is σ = 5508958416. Its totient is φ = 2749547232.

The previous prime is 4128019801. The next prime is 4128019843. The reversal of 4128019827 is 7289108214.

4128019827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4128019827 - 2¹⁴ = 4128003443 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4128019127) 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 7 ways as a sum of consecutive naturals, for example, 612588 + ... + 619289.

It is an arithmetic number, because the mean of its divisors is an integer number (688619802).

Almost surely, 2^4128019827 is an apocalyptic number.

4128019827 is a deficient number, since it is larger than the sum of its proper divisors (1380938589).

4128019827 is a wasteful number, since it uses less digits than its factorization.

4128019827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232997.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 4128019827 is about 64249.6679135387. The cubic root of 4128019827 is about 1604.1584311008.

The spelling of 4128019827 in words is "four billion, one hundred twenty-eight million, nineteen thousand, eight hundred twenty-seven".