4720478209 has 16 divisors (see below), whose sum is σ = 5096995200. Its totient is φ = 4360599936.

The previous prime is 4720478197. The next prime is 4720478227. The reversal of 4720478209 is 9028740274.

4720478209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4720478209 - 2¹³ = 4720470017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4720475209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61207 + ... + 114835.

It is an arithmetic number, because the mean of its divisors is an integer number (318562200).

Almost surely, 2^4720478209 is an apocalyptic number.

It is an amenable number.

4720478209 is a deficient number, since it is larger than the sum of its proper divisors (376516991).

4720478209 is a wasteful number, since it uses less digits than its factorization.

4720478209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53784.

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

The square root of 4720478209 is about 68705.7363616751. The cubic root of 4720478209 is about 1677.4979536416.

The spelling of 4720478209 in words is "four billion, seven hundred twenty million, four hundred seventy-eight thousand, two hundred nine".