41965691 has 2 divisors, whose sum is σ = 41965692. Its totient is φ = 41965690.

The previous prime is 41965681. The next prime is 41965711. The reversal of 41965691 is 19656914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41965691 - 2¹⁰ = 41964667 is a prime.

It is a super-2 number, since 2×41965691² = 3522238442214962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41965631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20982845 + 20982846.

It is an arithmetic number, because the mean of its divisors is an integer number (20982846).

Almost surely, 2^41965691 is an apocalyptic number.

41965691 is a deficient number, since it is larger than the sum of its proper divisors (1).

41965691 is an equidigital number, since it uses as much as digits as its factorization.

41965691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The square root of 41965691 is about 6478.0931607997. The cubic root of 41965691 is about 347.5079887058.

The spelling of 41965691 in words is "forty-one million, nine hundred sixty-five thousand, six hundred ninety-one".