41331520960409 has 2 divisors, whose sum is σ = 41331520960410. Its totient is φ = 41331520960408.

The previous prime is 41331520960397. The next prime is 41331520960427. The reversal of 41331520960409 is 90406902513314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40932100752400 + 399420208009 = 6397820^2 + 631997^2 .

It is a cyclic number.

It is not a de Polignac number, because 41331520960409 - 2⁴ = 41331520960393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41331520960439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20665760480204 + 20665760480205.

It is an arithmetic number, because the mean of its divisors is an integer number (20665760480205).

Almost surely, 2^{41331520960409} is an apocalyptic number.

It is an amenable number.

41331520960409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41331520960409 is an equidigital number, since it uses as much as digits as its factorization.

41331520960409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 41331520960409 in words is "forty-one trillion, three hundred thirty-one billion, five hundred twenty million, nine hundred sixty thousand, four hundred nine".