5438539239 has 32 divisors (see below), whose sum is σ = 8560688640. Its totient is φ = 3006191232.

The previous prime is 5438539121. The next prime is 5438539289. The reversal of 5438539239 is 9329358345.

It is not a de Polignac number, because 5438539239 - 2¹¹ = 5438537191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5438539191 and 5438539200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438539289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114192 + ... + 154650.

It is an arithmetic number, because the mean of its divisors is an integer number (267521520).

Almost surely, 2^5438539239 is an apocalyptic number.

5438539239 is a deficient number, since it is larger than the sum of its proper divisors (3122149401).

5438539239 is a wasteful number, since it uses less digits than its factorization.

5438539239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40679.

The product of its digits is 3499200, while the sum is 51.

The square root of 5438539239 is about 73746.4523824706. The cubic root of 5438539239 is about 1758.5744352291.

The spelling of 5438539239 in words is "five billion, four hundred thirty-eight million, five hundred thirty-nine thousand, two hundred thirty-nine".