441842620231321 has 2 divisors, whose sum is σ = 441842620231322. Its totient is φ = 441842620231320.

The previous prime is 441842620231279. The next prime is 441842620231373. The reversal of 441842620231321 is 123132026248144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303653661286921 + 138188958944400 = 17425661^2 + 11755380^2 .

It is a cyclic number.

It is not a de Polignac number, because 441842620231321 - 2⁷ = 441842620231193 is a prime.

It is not a weakly prime, because it can be changed into another prime (441842620231381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220921310115660 + 220921310115661.

It is an arithmetic number, because the mean of its divisors is an integer number (220921310115661).

Almost surely, 2^{441842620231321} is an apocalyptic number.

It is an amenable number.

441842620231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

441842620231321 is an equidigital number, since it uses as much as digits as its factorization.

441842620231321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 43.

Adding to 441842620231321 its reverse (123132026248144), we get a palindrome (564974646479465).

The spelling of 441842620231321 in words is "four hundred forty-one trillion, eight hundred forty-two billion, six hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".