41771993 has 2 divisors, whose sum is σ = 41771994. Its totient is φ = 41771992.

The previous prime is 41771971. The next prime is 41771999. The reversal of 41771993 is 39917714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 1993744 = 6307^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 41771993 - 2⁶ = 41771929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41771993.

It is not a weakly prime, because it can be changed into another prime (41771999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20885996 + 20885997.

It is an arithmetic number, because the mean of its divisors is an integer number (20885997).

Almost surely, 2^41771993 is an apocalyptic number.

It is an amenable number.

41771993 is a deficient number, since it is larger than the sum of its proper divisors (1).

41771993 is an equidigital number, since it uses as much as digits as its factorization.

41771993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 41771993 is about 6463.1256370273. The cubic root of 41771993 is about 346.9725081825.

The spelling of 41771993 in words is "forty-one million, seven hundred seventy-one thousand, nine hundred ninety-three".