441520416864551 has 2 divisors, whose sum is σ = 441520416864552. Its totient is φ = 441520416864550.

The previous prime is 441520416864523. The next prime is 441520416864557. The reversal of 441520416864551 is 155468614025144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441520416864551 - 2¹⁰ = 441520416863527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441520416864557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220760208432275 + 220760208432276.

It is an arithmetic number, because the mean of its divisors is an integer number (220760208432276).

Almost surely, 2^{441520416864551} is an apocalyptic number.

441520416864551 is a deficient number, since it is larger than the sum of its proper divisors (1).

441520416864551 is an equidigital number, since it uses as much as digits as its factorization.

441520416864551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 441520416864551 in words is "four hundred forty-one trillion, five hundred twenty billion, four hundred sixteen million, eight hundred sixty-four thousand, five hundred fifty-one".