41947691 has 2 divisors, whose sum is σ = 41947692. Its totient is φ = 41947690.

The previous prime is 41947679. The next prime is 41947693. The reversal of 41947691 is 19674914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41947691 - 2⁶ = 41947627 is a prime.

Together with 41947693, 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 (41947693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20973845 + 20973846.

It is an arithmetic number, because the mean of its divisors is an integer number (20973846).

Almost surely, 2^41947691 is an apocalyptic number.

41947691 is a deficient number, since it is larger than the sum of its proper divisors (1).

41947691 is an equidigital number, since it uses as much as digits as its factorization.

41947691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 41947691 is about 6476.7037140817. The cubic root of 41947691 is about 347.4582970157.

The spelling of 41947691 in words is "forty-one million, nine hundred forty-seven thousand, six hundred ninety-one".