441520383778171 has 2 divisors, whose sum is σ = 441520383778172. Its totient is φ = 441520383778170.

The previous prime is 441520383778109. The next prime is 441520383778219. The reversal of 441520383778171 is 171877383025144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441520383778171 - 2⁹ = 441520383777659 is a prime.

It is a super-2 number, since 2×441520383778171² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441520383770171) 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, 220760191889085 + 220760191889086.

It is an arithmetic number, because the mean of its divisors is an integer number (220760191889086).

Almost surely, 2^{441520383778171} is an apocalyptic number.

441520383778171 is a deficient number, since it is larger than the sum of its proper divisors (1).

441520383778171 is an equidigital number, since it uses as much as digits as its factorization.

441520383778171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 441520383778171 in words is "four hundred forty-one trillion, five hundred twenty billion, three hundred eighty-three million, seven hundred seventy-eight thousand, one hundred seventy-one".