5208746489 has 2 divisors, whose sum is σ = 5208746490. Its totient is φ = 5208746488.

The previous prime is 5208746483. The next prime is 5208746519. The reversal of 5208746489 is 9846478025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116970089 + 91776400 = 71533^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208746489 - 2¹² = 5208742393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5208746489.

It is not a weakly prime, because it can be changed into another prime (5208746483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604373244 + 2604373245.

It is an arithmetic number, because the mean of its divisors is an integer number (2604373245).

Almost surely, 2^5208746489 is an apocalyptic number.

It is an amenable number.

5208746489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5208746489 is an equidigital number, since it uses as much as digits as its factorization.

5208746489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 5208746489 is about 72171.6460183637. The cubic root of 5208746489 is about 1733.4490192470.

The spelling of 5208746489 in words is "five billion, two hundred eight million, seven hundred forty-six thousand, four hundred eighty-nine".