321054314549 has 2 divisors, whose sum is σ = 321054314550. Its totient is φ = 321054314548.

The previous prime is 321054314513. The next prime is 321054314579. The reversal of 321054314549 is 945413450123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310054080625 + 11000233924 = 556825^2 + 104882^2 .

It is a cyclic number.

It is not a de Polignac number, because 321054314549 - 2⁸ = 321054314293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321054314579) 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, 160527157274 + 160527157275.

It is an arithmetic number, because the mean of its divisors is an integer number (160527157275).

Almost surely, 2^321054314549 is an apocalyptic number.

It is an amenable number.

321054314549 is a deficient number, since it is larger than the sum of its proper divisors (1).

321054314549 is an equidigital number, since it uses as much as digits as its factorization.

321054314549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 321054314549 in words is "three hundred twenty-one billion, fifty-four million, three hundred fourteen thousand, five hundred forty-nine".