41045666041 has 2 divisors, whose sum is σ = 41045666042. Its totient is φ = 41045666040.

The previous prime is 41045666029. The next prime is 41045666089. The reversal of 41045666041 is 14066654014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30196360441 + 10849305600 = 173771^2 + 104160^2 .

It is a cyclic number.

It is not a de Polignac number, because 41045666041 - 2²¹ = 41043568889 is a prime.

It is a super-2 number, since 2×41045666041² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41045666141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20522833020 + 20522833021.

It is an arithmetic number, because the mean of its divisors is an integer number (20522833021).

Almost surely, 2^41045666041 is an apocalyptic number.

It is an amenable number.

41045666041 is a deficient number, since it is larger than the sum of its proper divisors (1).

41045666041 is an equidigital number, since it uses as much as digits as its factorization.

41045666041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 41045666041 in words is "forty-one billion, forty-five million, six hundred sixty-six thousand, forty-one".