4041423545909 has 2 divisors, whose sum is σ = 4041423545910. Its totient is φ = 4041423545908.

The previous prime is 4041423545869. The next prime is 4041423545947. The reversal of 4041423545909 is 9095453241404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3205621680625 + 835801865284 = 1790425^2 + 914222^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041423545909 - 2²⁸ = 4041155110453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4041423545309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020711772954 + 2020711772955.

It is an arithmetic number, because the mean of its divisors is an integer number (2020711772955).

Almost surely, 2^{4041423545909} is an apocalyptic number.

It is an amenable number.

4041423545909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041423545909 is an equidigital number, since it uses as much as digits as its factorization.

4041423545909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 4041423545909 in words is "four trillion, forty-one billion, four hundred twenty-three million, five hundred forty-five thousand, nine hundred nine".