7534798489 has 2 divisors, whose sum is σ = 7534798490. Its totient is φ = 7534798488.

The previous prime is 7534798487. The next prime is 7534798499. The reversal of 7534798489 is 9848974357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4198003264 + 3336795225 = 64792^2 + 57765^2 .

It is an emirp because it is prime and its reverse (9848974357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7534798489 - 2¹ = 7534798487 is a prime.

Together with 7534798487, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7534798489.

It is not a weakly prime, because it can be changed into another prime (7534798487) 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, 3767399244 + 3767399245.

It is an arithmetic number, because the mean of its divisors is an integer number (3767399245).

Almost surely, 2^7534798489 is an apocalyptic number.

It is an amenable number.

7534798489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7534798489 is an equidigital number, since it uses as much as digits as its factorization.

7534798489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 64.

The square root of 7534798489 is about 86803.2170429184. The cubic root of 7534798489 is about 1960.4565166831.

The spelling of 7534798489 in words is "seven billion, five hundred thirty-four million, seven hundred ninety-eight thousand, four hundred eighty-nine".