2005043343405 has 16 divisors (see below), whose sum is σ = 3208251811200. Its totient is φ = 1069295629248.

The previous prime is 2005043343389. The next prime is 2005043343439. The reversal of 2005043343405 is 5043433405002.

It is a happy number.

It is not a de Polignac number, because 2005043343405 - 2⁴ = 2005043343389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3528130 + ... + 4056819.

It is an arithmetic number, because the mean of its divisors is an integer number (200515738200).

Almost surely, 2^{2005043343405} is an apocalyptic number.

It is an amenable number.

2005043343405 is a deficient number, since it is larger than the sum of its proper divisors (1203208467795).

2005043343405 is a wasteful number, since it uses less digits than its factorization.

2005043343405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602580.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 2005043343405 its reverse (5043433405002), we get a palindrome (7048476748407).

The spelling of 2005043343405 in words is "two trillion, five billion, forty-three million, three hundred forty-three thousand, four hundred five".