4838442809 has 4 divisors (see below), whose sum is σ = 4838595216. Its totient is φ = 4838290404.

The previous prime is 4838442803. The next prime is 4838442827. The reversal of 4838442809 is 9082448384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4838442809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4838442803) 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, 8579 + ... + 98744.

It is an arithmetic number, because the mean of its divisors is an integer number (1209648804).

Almost surely, 2^4838442809 is an apocalyptic number.

It is an amenable number.

4838442809 is a deficient number, since it is larger than the sum of its proper divisors (152407).

4838442809 is a wasteful number, since it uses less digits than its factorization.

4838442809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152406.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 4838442809 is about 69558.9160999508. The cubic root of 4838442809 is about 1691.3566839053.

The spelling of 4838442809 in words is "four billion, eight hundred thirty-eight million, four hundred forty-two thousand, eight hundred nine".