5209740959 has 2 divisors, whose sum is σ = 5209740960. Its totient is φ = 5209740958.

The previous prime is 5209740953. The next prime is 5209740983. The reversal of 5209740959 is 9590479025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5209740959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5209740953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604870479 + 2604870480.

It is an arithmetic number, because the mean of its divisors is an integer number (2604870480).

Almost surely, 2^5209740959 is an apocalyptic number.

5209740959 is a deficient number, since it is larger than the sum of its proper divisors (1).

5209740959 is an equidigital number, since it uses as much as digits as its factorization.

5209740959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 5209740959 is about 72178.5353065577. The cubic root of 5209740959 is about 1733.5593307108.

It can be divided in two parts, 520 and 9740959, that added together give a palindrome (9741479).

The spelling of 5209740959 in words is "five billion, two hundred nine million, seven hundred forty thousand, nine hundred fifty-nine".