41993911 has 2 divisors, whose sum is σ = 41993912. Its totient is φ = 41993910.

The previous prime is 41993891. The next prime is 41993921. The reversal of 41993911 is 11939914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41993911 - 2¹³ = 41985719 is a prime.

It is a super-2 number, since 2×41993911² = 3526977122151842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41993921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20996955 + 20996956.

It is an arithmetic number, because the mean of its divisors is an integer number (20996956).

Almost surely, 2^41993911 is an apocalyptic number.

41993911 is a deficient number, since it is larger than the sum of its proper divisors (1).

41993911 is an equidigital number, since it uses as much as digits as its factorization.

41993911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 37.

The square root of 41993911 is about 6480.2709048311. The cubic root of 41993911 is about 347.5858656401.

The spelling of 41993911 in words is "forty-one million, nine hundred ninety-three thousand, nine hundred eleven".