42441042481 has 2 divisors, whose sum is σ = 42441042482. Its totient is φ = 42441042480.

The previous prime is 42441042407. The next prime is 42441042503. The reversal of 42441042481 is 18424014424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32060693025 + 10380349456 = 179055^2 + 101884^2 .

It is a cyclic number.

It is not a de Polignac number, because 42441042481 - 2³⁵ = 8081304113 is a prime.

It is a super-2 number, since 2×42441042481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42441049481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220521240 + 21220521241.

It is an arithmetic number, because the mean of its divisors is an integer number (21220521241).

Almost surely, 2^42441042481 is an apocalyptic number.

It is an amenable number.

42441042481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441042481 is an equidigital number, since it uses as much as digits as its factorization.

42441042481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32768, while the sum is 34.

The spelling of 42441042481 in words is "forty-two billion, four hundred forty-one million, forty-two thousand, four hundred eighty-one".