321022442043077 has 2 divisors, whose sum is σ = 321022442043078. Its totient is φ = 321022442043076.

The previous prime is 321022442043053. The next prime is 321022442043161. The reversal of 321022442043077 is 770340244220123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169134342687556 + 151888099355521 = 13005166^2 + 12324289^2 .

It is a cyclic number.

It is not a de Polignac number, because 321022442043077 - 2³² = 321018147075781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321022442043047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160511221021538 + 160511221021539.

It is an arithmetic number, because the mean of its divisors is an integer number (160511221021539).

Almost surely, 2^{321022442043077} is an apocalyptic number.

It is an amenable number.

321022442043077 is a deficient number, since it is larger than the sum of its proper divisors (1).

321022442043077 is an equidigital number, since it uses as much as digits as its factorization.

321022442043077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 321022442043077 in words is "three hundred twenty-one trillion, twenty-two billion, four hundred forty-two million, forty-three thousand, seventy-seven".