4404342320321 has 2 divisors, whose sum is σ = 4404342320322. Its totient is φ = 4404342320320.

The previous prime is 4404342320293. The next prime is 4404342320363. The reversal of 4404342320321 is 1230232434044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3147501774400 + 1256840545921 = 1774120^2 + 1121089^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404342320321 - 2²² = 4404338126017 is a prime.

It is not a weakly prime, because it can be changed into another prime (4404342320821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202171160160 + 2202171160161.

It is an arithmetic number, because the mean of its divisors is an integer number (2202171160161).

Almost surely, 2^{4404342320321} is an apocalyptic number.

It is an amenable number.

4404342320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404342320321 is an equidigital number, since it uses as much as digits as its factorization.

4404342320321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4404342320321 its reverse (1230232434044), we get a palindrome (5634574754365).

The spelling of 4404342320321 in words is "four trillion, four hundred four billion, three hundred forty-two million, three hundred twenty thousand, three hundred twenty-one".