41648434409 has 2 divisors, whose sum is σ = 41648434410. Its totient is φ = 41648434408.

The previous prime is 41648434403. The next prime is 41648434423. The reversal of 41648434409 is 90443484614.

41648434409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40802788009 + 845646400 = 201997^2 + 29080^2 .

It is a cyclic number.

It is not a de Polignac number, because 41648434409 - 2²⁰ = 41647385833 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 (41648434403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20824217204 + 20824217205.

It is an arithmetic number, because the mean of its divisors is an integer number (20824217205).

Almost surely, 2^41648434409 is an apocalyptic number.

It is an amenable number.

41648434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41648434409 is an equidigital number, since it uses as much as digits as its factorization.

41648434409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 41648434409 in words is "forty-one billion, six hundred forty-eight million, four hundred thirty-four thousand, four hundred nine".