322123218449 has 2 divisors, whose sum is σ = 322123218450. Its totient is φ = 322123218448.

The previous prime is 322123218433. The next prime is 322123218491. The reversal of 322123218449 is 944812321223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210687426049 + 111435792400 = 459007^2 + 333820^2 .

It is a cyclic number.

It is not a de Polignac number, because 322123218449 - 2⁴ = 322123218433 is a prime.

It is not a weakly prime, because it can be changed into another prime (322123218749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161061609224 + 161061609225.

It is an arithmetic number, because the mean of its divisors is an integer number (161061609225).

Almost surely, 2^322123218449 is an apocalyptic number.

It is an amenable number.

322123218449 is a deficient number, since it is larger than the sum of its proper divisors (1).

322123218449 is an equidigital number, since it uses as much as digits as its factorization.

322123218449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The spelling of 322123218449 in words is "three hundred twenty-two billion, one hundred twenty-three million, two hundred eighteen thousand, four hundred forty-nine".