14571344777321 has 2 divisors, whose sum is σ = 14571344777322. Its totient is φ = 14571344777320.

The previous prime is 14571344777279. The next prime is 14571344777333. The reversal of 14571344777321 is 12377744317541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13346418225625 + 1224926551696 = 3653275^2 + 1106764^2 .

It is a cyclic number.

It is not a de Polignac number, because 14571344777321 - 2¹⁴ = 14571344760937 is a prime.

It is not a weakly prime, because it can be changed into another prime (14571344770321) 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, 7285672388660 + 7285672388661.

It is an arithmetic number, because the mean of its divisors is an integer number (7285672388661).

Almost surely, 2^{14571344777321} is an apocalyptic number.

It is an amenable number.

14571344777321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14571344777321 is an equidigital number, since it uses as much as digits as its factorization.

14571344777321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13829760, while the sum is 56.

The spelling of 14571344777321 in words is "fourteen trillion, five hundred seventy-one billion, three hundred forty-four million, seven hundred seventy-seven thousand, three hundred twenty-one".