321214134220249 has 2 divisors, whose sum is σ = 321214134220250. Its totient is φ = 321214134220248.

The previous prime is 321214134220183. The next prime is 321214134220327. The reversal of 321214134220249 is 942022431412123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279302040878224 + 41912093342025 = 16712332^2 + 6473955^2 .

It is a cyclic number.

It is not a de Polignac number, because 321214134220249 - 2⁷ = 321214134220121 is a prime.

It is not a weakly prime, because it can be changed into another prime (321214134220849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160607067110124 + 160607067110125.

It is an arithmetic number, because the mean of its divisors is an integer number (160607067110125).

Almost surely, 2^{321214134220249} is an apocalyptic number.

It is an amenable number.

321214134220249 is a deficient number, since it is larger than the sum of its proper divisors (1).

321214134220249 is an equidigital number, since it uses as much as digits as its factorization.

321214134220249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 321214134220249 in words is "three hundred twenty-one trillion, two hundred fourteen billion, one hundred thirty-four million, two hundred twenty thousand, two hundred forty-nine".