41811689 has 2 divisors, whose sum is σ = 41811690. Its totient is φ = 41811688.

The previous prime is 41811667. The next prime is 41811701. The reversal of 41811689 is 98611814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 80089 = 6460^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 41811689 - 2⁸ = 41811433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41811629) 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, 20905844 + 20905845.

It is an arithmetic number, because the mean of its divisors is an integer number (20905845).

Almost surely, 2^41811689 is an apocalyptic number.

It is an amenable number.

41811689 is a deficient number, since it is larger than the sum of its proper divisors (1).

41811689 is an equidigital number, since it uses as much as digits as its factorization.

41811689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 38.

The square root of 41811689 is about 6466.1958677417. The cubic root of 41811689 is about 347.0823829178.

The spelling of 41811689 in words is "forty-one million, eight hundred eleven thousand, six hundred eighty-nine".