2005453043345 has 16 divisors (see below), whose sum is σ = 2428016359680. Its totient is φ = 1590049353984.

The previous prime is 2005453043329. The next prime is 2005453043437. The reversal of 2005453043345 is 5433403545002.

It is a cyclic number.

It is not a de Polignac number, because 2005453043345 - 2⁴ = 2005453043329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2005453043299 and 2005453043308.

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, 8149802 + ... + 8392268.

It is an arithmetic number, because the mean of its divisors is an integer number (151751022480).

Almost surely, 2^{2005453043345} is an apocalyptic number.

It is an amenable number.

2005453043345 is a deficient number, since it is larger than the sum of its proper divisors (422563316335).

2005453043345 is a wasteful number, since it uses less digits than its factorization.

2005453043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257224.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 2005453043345 its reverse (5433403545002), we get a palindrome (7438856588347).

The spelling of 2005453043345 in words is "two trillion, five billion, four hundred fifty-three million, forty-three thousand, three hundred forty-five".