4818239809 has 8 divisors (see below), whose sum is σ = 4903289600. Its totient is φ = 4733576496.

The previous prime is 4818239791. The next prime is 4818239831. The reversal of 4818239809 is 9089328184.

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

It is a cyclic number.

It is not a de Polignac number, because 4818239809 - 2¹³ = 4818231617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4818539809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71409 + ... + 121390.

It is an arithmetic number, because the mean of its divisors is an integer number (612911200).

Almost surely, 2^4818239809 is an apocalyptic number.

It is an amenable number.

4818239809 is a deficient number, since it is larger than the sum of its proper divisors (85049791).

4818239809 is a wasteful number, since it uses less digits than its factorization.

4818239809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193239.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 4818239809 is about 69413.5419712897. The cubic root of 4818239809 is about 1688.9993035886. Note that the first 3 decimals are identical.

The spelling of 4818239809 in words is "four billion, eight hundred eighteen million, two hundred thirty-nine thousand, eight hundred nine".