41671605839849 has 2 divisors, whose sum is σ = 41671605839850. Its totient is φ = 41671605839848.

The previous prime is 41671605839839. The next prime is 41671605839873. The reversal of 41671605839849 is 94893850617614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32108451610624 + 9563154229225 = 5666432^2 + 3092435^2 .

It is a cyclic number.

It is not a de Polignac number, because 41671605839849 - 2²⁴ = 41671589062633 is a prime.

It is not a weakly prime, because it can be changed into another prime (41671605839839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20835802919924 + 20835802919925.

It is an arithmetic number, because the mean of its divisors is an integer number (20835802919925).

Almost surely, 2^{41671605839849} is an apocalyptic number.

It is an amenable number.

41671605839849 is a deficient number, since it is larger than the sum of its proper divisors (1).

41671605839849 is an equidigital number, since it uses as much as digits as its factorization.

41671605839849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 41671605839849 in words is "forty-one trillion, six hundred seventy-one billion, six hundred five million, eight hundred thirty-nine thousand, eight hundred forty-nine".