2005043345069 has 2 divisors, whose sum is σ = 2005043345070. Its totient is φ = 2005043345068.

The previous prime is 2005043345021. The next prime is 2005043345093. The reversal of 2005043345069 is 9605433405002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1173673223044 + 831370122025 = 1083362^2 + 911795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005043345069 - 2⁸ = 2005043344813 is a prime.

It is a super-2 number, since 2×2005043345069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005043341069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002521672534 + 1002521672535.

It is an arithmetic number, because the mean of its divisors is an integer number (1002521672535).

Almost surely, 2^{2005043345069} is an apocalyptic number.

It is an amenable number.

2005043345069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005043345069 is an equidigital number, since it uses as much as digits as its factorization.

2005043345069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 2005043345069 in words is "two trillion, five billion, forty-three million, three hundred forty-five thousand, sixty-nine".