320788483289 has 2 divisors, whose sum is σ = 320788483290. Its totient is φ = 320788483288.

The previous prime is 320788483271. The next prime is 320788483291. The reversal of 320788483289 is 982384887023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268899288025 + 51889195264 = 518555^2 + 227792^2 .

It is an emirp because it is prime and its reverse (982384887023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320788483289 - 2⁸ = 320788483033 is a prime.

Together with 320788483291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320788480289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160394241644 + 160394241645.

It is an arithmetic number, because the mean of its divisors is an integer number (160394241645).

Almost surely, 2^320788483289 is an apocalyptic number.

It is an amenable number.

320788483289 is a deficient number, since it is larger than the sum of its proper divisors (1).

320788483289 is an equidigital number, since it uses as much as digits as its factorization.

320788483289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 320788483289 in words is "three hundred twenty billion, seven hundred eighty-eight million, four hundred eighty-three thousand, two hundred eighty-nine".