2005454054243 has 8 divisors (see below), whose sum is σ = 2026189993248. Its totient is φ = 1984770546304.

The previous prime is 2005454054207. The next prime is 2005454054281. The reversal of 2005454054243 is 3424504545002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005454054243 - 2³⁰ = 2004380312419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2005454054197 and 2005454054206.

It is not an unprimeable number, because it can be changed into a prime (2005454054293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13030871 + ... + 13183872.

It is an arithmetic number, because the mean of its divisors is an integer number (253273749156).

Almost surely, 2^{2005454054243} is an apocalyptic number.

2005454054243 is a deficient number, since it is larger than the sum of its proper divisors (20735939005).

2005454054243 is a wasteful number, since it uses less digits than its factorization.

2005454054243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26215533.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 2005454054243 its reverse (3424504545002), we get a palindrome (5429958599245).

The spelling of 2005454054243 in words is "two trillion, five billion, four hundred fifty-four million, fifty-four thousand, two hundred forty-three".