5005440042409 has 2 divisors, whose sum is σ = 5005440042410. Its totient is φ = 5005440042408.

The previous prime is 5005440042371. The next prime is 5005440042419. The reversal of 5005440042409 is 9042400445005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3614550032809 + 1390890009600 = 1901197^2 + 1179360^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005440042409 - 2³³ = 4996850107817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5005440042419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502720021204 + 2502720021205.

It is an arithmetic number, because the mean of its divisors is an integer number (2502720021205).

Almost surely, 2^{5005440042409} is an apocalyptic number.

It is an amenable number.

5005440042409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005440042409 is an equidigital number, since it uses as much as digits as its factorization.

5005440042409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 5005440042409 in words is "five trillion, five billion, four hundred forty million, forty-two thousand, four hundred nine".