4509384247 has 4 divisors (see below), whose sum is σ = 4746720280. Its totient is φ = 4272048216.

The previous prime is 4509384197. The next prime is 4509384263. The reversal of 4509384247 is 7424839054.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4509384247 - 2⁷ = 4509384119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4509384197 and 4509384206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509384547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118667988 + ... + 118668025.

It is an arithmetic number, because the mean of its divisors is an integer number (1186680070).

Almost surely, 2^4509384247 is an apocalyptic number.

4509384247 is a deficient number, since it is larger than the sum of its proper divisors (237336033).

4509384247 is a wasteful number, since it uses less digits than its factorization.

4509384247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237336032.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 4509384247 is about 67151.9489441669. The cubic root of 4509384247 is about 1652.1104609825.

The spelling of 4509384247 in words is "four billion, five hundred nine million, three hundred eighty-four thousand, two hundred forty-seven".