321244466377 has 2 divisors, whose sum is σ = 321244466378. Its totient is φ = 321244466376.

The previous prime is 321244466297. The next prime is 321244466393. The reversal of 321244466377 is 773664442123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297500430096 + 23744036281 = 545436^2 + 154091^2 .

It is a cyclic number.

It is not a de Polignac number, because 321244466377 - 2²⁷ = 321110248649 is a prime.

It is a super-2 number, since 2×321244466377² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321244466377.

It is not a weakly prime, because it can be changed into another prime (321244466677) 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, 160622233188 + 160622233189.

It is an arithmetic number, because the mean of its divisors is an integer number (160622233189).

Almost surely, 2^321244466377 is an apocalyptic number.

It is an amenable number.

321244466377 is a deficient number, since it is larger than the sum of its proper divisors (1).

321244466377 is an equidigital number, since it uses as much as digits as its factorization.

321244466377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 49.

The spelling of 321244466377 in words is "three hundred twenty-one billion, two hundred forty-four million, four hundred sixty-six thousand, three hundred seventy-seven".