2000404243 has 4 divisors (see below), whose sum is σ = 2007840960. Its totient is φ = 1992967528.

The previous prime is 2000404207. The next prime is 2000404249. The reversal of 2000404243 is 3424040002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000404243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000404243.

It is not an unprimeable number, because it can be changed into a prime (2000404249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717955 + ... + 3718492.

It is an arithmetic number, because the mean of its divisors is an integer number (501960240).

Almost surely, 2^2000404243 is an apocalyptic number.

2000404243 is a deficient number, since it is larger than the sum of its proper divisors (7436717).

2000404243 is an equidigital number, since it uses as much as digits as its factorization.

2000404243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436716.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2000404243 is about 44725.8788957802. The cubic root of 2000404243 is about 1260.0059298873.

Adding to 2000404243 its reverse (3424040002), we get a palindrome (5424444245).

The spelling of 2000404243 in words is "two billion, four hundred four thousand, two hundred forty-three".