4163128747 has 4 divisors (see below), whose sum is σ = 4241678400. Its totient is φ = 4084579096.

The previous prime is 4163128733. The next prime is 4163128757. The reversal of 4163128747 is 7478213614.

4163128747 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4163128747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4163128757) 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, 39274747 + ... + 39274852.

It is an arithmetic number, because the mean of its divisors is an integer number (1060419600).

Almost surely, 2^4163128747 is an apocalyptic number.

4163128747 is a deficient number, since it is larger than the sum of its proper divisors (78549653).

4163128747 is an equidigital number, since it uses as much as digits as its factorization.

4163128747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78549652.

The product of its digits is 225792, while the sum is 43.

The square root of 4163128747 is about 64522.3120091027. The cubic root of 4163128747 is about 1608.6934021919.

The spelling of 4163128747 in words is "four billion, one hundred sixty-three million, one hundred twenty-eight thousand, seven hundred forty-seven".