5071556839 has 2 divisors, whose sum is σ = 5071556840. Its totient is φ = 5071556838.

The previous prime is 5071556837. The next prime is 5071556849. The reversal of 5071556839 is 9386551705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5071556839 - 2¹ = 5071556837 is a prime.

Together with 5071556837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5071556792 and 5071556801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5071556837) 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 as a sum of consecutive naturals, namely, 2535778419 + 2535778420.

It is an arithmetic number, because the mean of its divisors is an integer number (2535778420).

Almost surely, 2^5071556839 is an apocalyptic number.

5071556839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5071556839 is an equidigital number, since it uses as much as digits as its factorization.

5071556839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The square root of 5071556839 is about 71214.8638909041. The cubic root of 5071556839 is about 1718.0947037049.

The spelling of 5071556839 in words is "five billion, seventy-one million, five hundred fifty-six thousand, eight hundred thirty-nine".