41490571049 has 2 divisors, whose sum is σ = 41490571050. Its totient is φ = 41490571048.

The previous prime is 41490571013. The next prime is 41490571081. The reversal of 41490571049 is 94017509414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30977760025 + 10512811024 = 176005^2 + 102532^2 .

It is a cyclic number.

It is not a de Polignac number, because 41490571049 - 2²⁴ = 41473793833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41490571099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20745285524 + 20745285525.

It is an arithmetic number, because the mean of its divisors is an integer number (20745285525).

Almost surely, 2^41490571049 is an apocalyptic number.

It is an amenable number.

41490571049 is a deficient number, since it is larger than the sum of its proper divisors (1).

41490571049 is an equidigital number, since it uses as much as digits as its factorization.

41490571049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 41490571049 in words is "forty-one billion, four hundred ninety million, five hundred seventy-one thousand, forty-nine".