1304344434221 has 8 divisors (see below), whose sum is σ = 1311848225688. Its totient is φ = 1296843912000.

The previous prime is 1304344434209. The next prime is 1304344434269. The reversal of 1304344434221 is 1224344434031.

It can be written as a sum of positive squares in 4 ways, for example, as 58857186025 + 1245487248196 = 242605^2 + 1116014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304344434221 - 2⁶ = 1304344434157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304344424221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14810 + ... + 1615211.

It is an arithmetic number, because the mean of its divisors is an integer number (163981028211).

Almost surely, 2^{1304344434221} is an apocalyptic number.

It is an amenable number.

1304344434221 is a deficient number, since it is larger than the sum of its proper divisors (7503791467).

1304344434221 is a wasteful number, since it uses less digits than its factorization.

1304344434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634623.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1304344434221 its reverse (1224344434031), we get a palindrome (2528688868252).

The spelling of 1304344434221 in words is "one trillion, three hundred four billion, three hundred forty-four million, four hundred thirty-four thousand, two hundred twenty-one".