441603523523081 has 2 divisors, whose sum is σ = 441603523523082. Its totient is φ = 441603523523080.

The previous prime is 441603523523021. The next prime is 441603523523087. The reversal of 441603523523081 is 180325325306144.

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., 374225775047056 + 67377748476025 = 19344916^2 + 8208395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441603523523081 is a prime.

It is a super-2 number, since 2×441603523523081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441603523523087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220801761761540 + 220801761761541.

It is an arithmetic number, because the mean of its divisors is an integer number (220801761761541).

Almost surely, 2^{441603523523081} is an apocalyptic number.

It is an amenable number.

441603523523081 is a deficient number, since it is larger than the sum of its proper divisors (1).

441603523523081 is an equidigital number, since it uses as much as digits as its factorization.

441603523523081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 441603523523081 in words is "four hundred forty-one trillion, six hundred three billion, five hundred twenty-three million, five hundred twenty-three thousand, eighty-one".