324340400020349 has 2 divisors, whose sum is σ = 324340400020350. Its totient is φ = 324340400020348.

The previous prime is 324340400020309. The next prime is 324340400020363. The reversal of 324340400020349 is 943020004043423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242479398062500 + 81861001957849 = 15571750^2 + 9047707^2 .

It is a cyclic number.

It is not a de Polignac number, because 324340400020349 - 2²⁰ = 324340398971773 is a prime.

It is a super-2 number, since 2×324340400020349² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324340400020309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162170200010174 + 162170200010175.

It is an arithmetic number, because the mean of its divisors is an integer number (162170200010175).

Almost surely, 2^{324340400020349} is an apocalyptic number.

It is an amenable number.

324340400020349 is a deficient number, since it is larger than the sum of its proper divisors (1).

324340400020349 is an equidigital number, since it uses as much as digits as its factorization.

324340400020349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 324340400020349 in words is "three hundred twenty-four trillion, three hundred forty billion, four hundred million, twenty thousand, three hundred forty-nine".