41685085789057 has 2 divisors, whose sum is σ = 41685085789058. Its totient is φ = 41685085789056.

The previous prime is 41685085789043. The next prime is 41685085789111. The reversal of 41685085789057 is 75098758058614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37845147689281 + 3839938099776 = 6151841^2 + 1959576^2 .

It is a cyclic number.

It is not a de Polignac number, because 41685085789057 - 2¹⁹ = 41685085264769 is a prime.

It is not a weakly prime, because it can be changed into another prime (41685085729057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20842542894528 + 20842542894529.

It is an arithmetic number, because the mean of its divisors is an integer number (20842542894529).

Almost surely, 2^{41685085789057} is an apocalyptic number.

It is an amenable number.

41685085789057 is a deficient number, since it is larger than the sum of its proper divisors (1).

41685085789057 is an equidigital number, since it uses as much as digits as its factorization.

41685085789057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376000, while the sum is 73.

The spelling of 41685085789057 in words is "forty-one trillion, six hundred eighty-five billion, eighty-five million, seven hundred eighty-nine thousand, fifty-seven".