2005346069 has 2 divisors, whose sum is σ = 2005346070. Its totient is φ = 2005346068.

The previous prime is 2005346059. The next prime is 2005346093. The reversal of 2005346069 is 9606435002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1994783569 + 10562500 = 44663^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005346069 - 2⁴ = 2005346053 is a prime.

It is a super-2 number, since 2×2005346069² = 8042825712907505522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005346059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002673034 + 1002673035.

It is an arithmetic number, because the mean of its divisors is an integer number (1002673035).

Almost surely, 2^2005346069 is an apocalyptic number.

It is an amenable number.

2005346069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005346069 is an equidigital number, since it uses as much as digits as its factorization.

2005346069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2005346069 is about 44781.0905293741. The cubic root of 2005346069 is about 1261.0426552690.

The spelling of 2005346069 in words is "two billion, five million, three hundred forty-six thousand, sixty-nine".