7489455289 has 2 divisors, whose sum is σ = 7489455290. Its totient is φ = 7489455288.

The previous prime is 7489455271. The next prime is 7489455329. The reversal of 7489455289 is 9825549847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7133491600 + 355963689 = 84460^2 + 18867^2 .

It is an emirp because it is prime and its reverse (9825549847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7489455289 - 2⁷ = 7489455161 is a prime.

It is not a weakly prime, because it can be changed into another prime (7489455209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744727644 + 3744727645.

It is an arithmetic number, because the mean of its divisors is an integer number (3744727645).

Almost surely, 2^7489455289 is an apocalyptic number.

It is an amenable number.

7489455289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7489455289 is an equidigital number, since it uses as much as digits as its factorization.

7489455289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 61.

The square root of 7489455289 is about 86541.6390473395. The cubic root of 7489455289 is about 1956.5160314828.

The spelling of 7489455289 in words is "seven billion, four hundred eighty-nine million, four hundred fifty-five thousand, two hundred eighty-nine".