441202043403421 has 2 divisors, whose sum is σ = 441202043403422. Its totient is φ = 441202043403420.

The previous prime is 441202043403403. The next prime is 441202043403469. The reversal of 441202043403421 is 124304340202144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386153508322521 + 55048535080900 = 19650789^2 + 7419470^2 .

It is a cyclic number.

It is not a de Polignac number, because 441202043403421 - 2⁵ = 441202043403389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441202043403721) 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 as a sum of consecutive naturals, namely, 220601021701710 + 220601021701711.

It is an arithmetic number, because the mean of its divisors is an integer number (220601021701711).

Almost surely, 2^{441202043403421} is an apocalyptic number.

It is an amenable number.

441202043403421 is a deficient number, since it is larger than the sum of its proper divisors (1).

441202043403421 is an equidigital number, since it uses as much as digits as its factorization.

441202043403421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 441202043403421 its reverse (124304340202144), we get a palindrome (565506383605565).

The spelling of 441202043403421 in words is "four hundred forty-one trillion, two hundred two billion, forty-three million, four hundred three thousand, four hundred twenty-one".