5081439539 has 6 divisors (see below), whose sum is σ = 5543646516. Its totient is φ = 4619275560.

The previous prime is 5081439491. The next prime is 5081439547. The reversal of 5081439539 is 9359341805.

It is not a de Polignac number, because 5081439539 - 2⁸ = 5081439283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5081439493 and 5081439502.

It is not an unprimeable number, because it can be changed into a prime (5081439599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225677 + ... + 247169.

It is an arithmetic number, because the mean of its divisors is an integer number (923941086).

Almost surely, 2^5081439539 is an apocalyptic number.

5081439539 is a deficient number, since it is larger than the sum of its proper divisors (462206977).

5081439539 is an frugal number, since it uses more digits than its factorization.

5081439539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42997 (or 21504 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 5081439539 is about 71284.2166191086. The cubic root of 5081439539 is about 1719.2099692273.

The spelling of 5081439539 in words is "five billion, eighty-one million, four hundred thirty-nine thousand, five hundred thirty-nine".