441520383778109 has 2 divisors, whose sum is σ = 441520383778110. Its totient is φ = 441520383778108.

The previous prime is 441520383778081. The next prime is 441520383778171. The reversal of 441520383778109 is 901877383025144.

It is an a-pointer prime, because the next prime (441520383778171) can be obtained adding 441520383778109 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431346293378884 + 10174090399225 = 20768878^2 + 3189685^2 .

It is a cyclic number.

It is not a de Polignac number, because 441520383778109 - 2⁸ = 441520383777853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441520383778009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220760191889054 + 220760191889055.

It is an arithmetic number, because the mean of its divisors is an integer number (220760191889055).

Almost surely, 2^{441520383778109} is an apocalyptic number.

It is an amenable number.

441520383778109 is a deficient number, since it is larger than the sum of its proper divisors (1).

441520383778109 is an equidigital number, since it uses as much as digits as its factorization.

441520383778109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 441520383778109 in words is "four hundred forty-one trillion, five hundred twenty billion, three hundred eighty-three million, seven hundred seventy-eight thousand, one hundred nine".