441056275421 has 2 divisors, whose sum is σ = 441056275422. Its totient is φ = 441056275420.

The previous prime is 441056275411. The next prime is 441056275427. The reversal of 441056275421 is 124572650144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311844064900 + 129212210521 = 558430^2 + 359461^2 .

It is a cyclic number.

It is not a de Polignac number, because 441056275421 - 2⁶ = 441056275357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441056275427) 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, 220528137710 + 220528137711.

It is an arithmetic number, because the mean of its divisors is an integer number (220528137711).

Almost surely, 2^441056275421 is an apocalyptic number.

It is an amenable number.

441056275421 is a deficient number, since it is larger than the sum of its proper divisors (1).

441056275421 is an equidigital number, since it uses as much as digits as its factorization.

441056275421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 441056275421 in words is "four hundred forty-one billion, fifty-six million, two hundred seventy-five thousand, four hundred twenty-one".