320322454189 has 2 divisors, whose sum is σ = 320322454190. Its totient is φ = 320322454188.

The previous prime is 320322454141. The next prime is 320322454237. The reversal of 320322454189 is 981454223023.

It is a balanced prime because it is at equal distance from previous prime (320322454141) and next prime (320322454237).

It can be written as a sum of positive squares in only one way, i.e., 279981731689 + 40340722500 = 529133^2 + 200850^2 .

It is a cyclic number.

It is not a de Polignac number, because 320322454189 - 2¹³ = 320322445997 is a prime.

It is a super-3 number, since 3×320322454189³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320322454489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160161227094 + 160161227095.

It is an arithmetic number, because the mean of its divisors is an integer number (160161227095).

Almost surely, 2^320322454189 is an apocalyptic number.

It is an amenable number.

320322454189 is a deficient number, since it is larger than the sum of its proper divisors (1).

320322454189 is an equidigital number, since it uses as much as digits as its factorization.

320322454189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 320322454189 in words is "three hundred twenty billion, three hundred twenty-two million, four hundred fifty-four thousand, one hundred eighty-nine".