4782860209 has 4 divisors (see below), whose sum is σ = 4848378916. Its totient is φ = 4717341504.

The previous prime is 4782860197. The next prime is 4782860219. The reversal of 4782860209 is 9020682874.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3835944225 + 946915984 = 61935^2 + 30772^2 .

It is a cyclic number.

It is not a de Polignac number, because 4782860209 - 2²⁵ = 4749305777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4782860219) 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, 32759244 + ... + 32759389.

It is an arithmetic number, because the mean of its divisors is an integer number (1212094729).

Almost surely, 2^4782860209 is an apocalyptic number.

It is an amenable number.

4782860209 is a deficient number, since it is larger than the sum of its proper divisors (65518707).

4782860209 is an equidigital number, since it uses as much as digits as its factorization.

4782860209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65518706.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 4782860209 is about 69158.2258954060. The cubic root of 4782860209 is about 1684.8551221901.

The spelling of 4782860209 in words is "four billion, seven hundred eighty-two million, eight hundred sixty thousand, two hundred nine".