5122857739 has 2 divisors, whose sum is σ = 5122857740. Its totient is φ = 5122857738.

The previous prime is 5122857737. The next prime is 5122857821. The reversal of 5122857739 is 9377582215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5122857739 - 2¹ = 5122857737 is a prime.

Together with 5122857737, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5122857692 and 5122857701.

It is not a weakly prime, because it can be changed into another prime (5122857737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561428869 + 2561428870.

It is an arithmetic number, because the mean of its divisors is an integer number (2561428870).

Almost surely, 2^5122857739 is an apocalyptic number.

5122857739 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122857739 is an equidigital number, since it uses as much as digits as its factorization.

5122857739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The square root of 5122857739 is about 71574.1415526585. The cubic root of 5122857739 is about 1723.8683596772.

The spelling of 5122857739 in words is "five billion, one hundred twenty-two million, eight hundred fifty-seven thousand, seven hundred thirty-nine".