4389481839 has 8 divisors (see below), whose sum is σ = 5988750592. Its totient is φ = 2858267160.

The previous prime is 4389481829. The next prime is 4389481841. The reversal of 4389481839 is 9381849834.

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

It is not a de Polignac number, because 4389481839 - 2⁷ = 4389481711 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 (4389481829) 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, 17013367 + ... + 17013624.

It is an arithmetic number, because the mean of its divisors is an integer number (748593824).

Almost surely, 2^4389481839 is an apocalyptic number.

4389481839 is a deficient number, since it is larger than the sum of its proper divisors (1599268753).

4389481839 is a wasteful number, since it uses less digits than its factorization.

4389481839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34027037.

The product of its digits is 5971968, while the sum is 57.

The square root of 4389481839 is about 66253.1647470519. The cubic root of 4389481839 is about 1637.3357792230.

The spelling of 4389481839 in words is "four billion, three hundred eighty-nine million, four hundred eighty-one thousand, eight hundred thirty-nine".