41686811 has 2 divisors, whose sum is σ = 41686812. Its totient is φ = 41686810.

The previous prime is 41686807. The next prime is 41686831. The reversal of 41686811 is 11868614.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41686811 - 2² = 41686807 is a prime.

It is a super-2 number, since 2×41686811² = 3475580422699442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41686831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20843405 + 20843406.

It is an arithmetic number, because the mean of its divisors is an integer number (20843406).

Almost surely, 2^41686811 is an apocalyptic number.

41686811 is a deficient number, since it is larger than the sum of its proper divisors (1).

41686811 is an equidigital number, since it uses as much as digits as its factorization.

41686811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 41686811 is about 6456.5324284789. The cubic root of 41686811 is about 346.7364973767.

The spelling of 41686811 in words is "forty-one million, six hundred eighty-six thousand, eight hundred eleven".