41435081669 has 2 divisors, whose sum is σ = 41435081670. Its totient is φ = 41435081668.

The previous prime is 41435081663. The next prime is 41435081683. The reversal of 41435081669 is 96618053414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27401836225 + 14033245444 = 165535^2 + 118462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41435081669 is a prime.

It is a super-2 number, since 2×41435081669² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41435081663) 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, 20717540834 + 20717540835.

It is an arithmetic number, because the mean of its divisors is an integer number (20717540835).

Almost surely, 2^41435081669 is an apocalyptic number.

It is an amenable number.

41435081669 is a deficient number, since it is larger than the sum of its proper divisors (1).

41435081669 is an equidigital number, since it uses as much as digits as its factorization.

41435081669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 41435081669 in words is "forty-one billion, four hundred thirty-five million, eighty-one thousand, six hundred sixty-nine".