2005404550559 has 2 divisors, whose sum is σ = 2005404550560. Its totient is φ = 2005404550558.

The previous prime is 2005404550493. The next prime is 2005404550561. The reversal of 2005404550559 is 9550554045002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2005404550559 - 2³⁶ = 1936685073823 is a prime.

It is a super-2 number, since 2×2005404550559² (a number of 25 digits) contains 22 as substring.

Together with 2005404550561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005404559559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002702275279 + 1002702275280.

It is an arithmetic number, because the mean of its divisors is an integer number (1002702275280).

Almost surely, 2^{2005404550559} is an apocalyptic number.

2005404550559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005404550559 is an equidigital number, since it uses as much as digits as its factorization.

2005404550559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 2005404550559 in words is "two trillion, five billion, four hundred four million, five hundred fifty thousand, five hundred fifty-nine".