441520382010181 has 2 divisors, whose sum is σ = 441520382010182. Its totient is φ = 441520382010180.

The previous prime is 441520382010131. The next prime is 441520382010203. The reversal of 441520382010181 is 181010283025144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440287715845156 + 1232666165025 = 20983034^2 + 1110255^2 .

It is a cyclic number.

It is not a de Polignac number, because 441520382010181 - 2¹³ = 441520382001989 is a prime.

It is a super-2 number, since 2×441520382010181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441520382010121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220760191005090 + 220760191005091.

It is an arithmetic number, because the mean of its divisors is an integer number (220760191005091).

Almost surely, 2^{441520382010181} is an apocalyptic number.

It is an amenable number.

441520382010181 is a deficient number, since it is larger than the sum of its proper divisors (1).

441520382010181 is an equidigital number, since it uses as much as digits as its factorization.

441520382010181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 441520382010181 in words is "four hundred forty-one trillion, five hundred twenty billion, three hundred eighty-two million, ten thousand, one hundred eighty-one".