4418872439 has 8 divisors (see below), whose sum is σ = 4437689520. Its totient is φ = 4400093376.

The previous prime is 4418872421. The next prime is 4418872453. The reversal of 4418872439 is 9342788144.

It is a happy number.

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 4418872439 - 2²⁰ = 4417823863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4418872499) 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, 236819 + ... + 254795.

It is an arithmetic number, because the mean of its divisors is an integer number (554711190).

Almost surely, 2^4418872439 is an apocalyptic number.

4418872439 is a deficient number, since it is larger than the sum of its proper divisors (18817081).

4418872439 is a wasteful number, since it uses less digits than its factorization.

4418872439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009.

The product of its digits is 1548288, while the sum is 50.

The square root of 4418872439 is about 66474.5999536665. The cubic root of 4418872439 is about 1640.9820163371.

The spelling of 4418872439 in words is "four billion, four hundred eighteen million, eight hundred seventy-two thousand, four hundred thirty-nine".