41447891 has 2 divisors, whose sum is σ = 41447892. Its totient is φ = 41447890.

The previous prime is 41447827. The next prime is 41447893. The reversal of 41447891 is 19874414.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41447891 - 2⁶ = 41447827 is a prime.

Together with 41447893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41447893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20723945 + 20723946.

It is an arithmetic number, because the mean of its divisors is an integer number (20723946).

Almost surely, 2^41447891 is an apocalyptic number.

41447891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41447891 is an equidigital number, since it uses as much as digits as its factorization.

41447891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 41447891 is about 6438.0036502009. The cubic root of 41447891 is about 346.0728098079.

The spelling of 41447891 in words is "forty-one million, four hundred forty-seven thousand, eight hundred ninety-one".