320445650383 has 2 divisors, whose sum is σ = 320445650384. Its totient is φ = 320445650382.

The previous prime is 320445650381. The next prime is 320445650387. The reversal of 320445650383 is 383056544023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320445650383 - 2¹ = 320445650381 is a prime.

Together with 320445650381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320445650381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160222825191 + 160222825192.

It is an arithmetic number, because the mean of its divisors is an integer number (160222825192).

Almost surely, 2^320445650383 is an apocalyptic number.

320445650383 is a deficient number, since it is larger than the sum of its proper divisors (1).

320445650383 is an equidigital number, since it uses as much as digits as its factorization.

320445650383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 320445650383 in words is "three hundred twenty billion, four hundred forty-five million, six hundred fifty thousand, three hundred eighty-three".