2668089043 has 4 divisors (see below), whose sum is σ = 2668477360. Its totient is φ = 2667700728.

The previous prime is 2668089019. The next prime is 2668089071. The reversal of 2668089043 is 3409808662.

It is a happy number.

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-2668089043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2668088984 and 2668089002.

It is not an unprimeable number, because it can be changed into a prime (2668083043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183663 + ... + 197656.

It is an arithmetic number, because the mean of its divisors is an integer number (667119340).

Almost surely, 2^2668089043 is an apocalyptic number.

2668089043 is a deficient number, since it is larger than the sum of its proper divisors (388317).

2668089043 is an equidigital number, since it uses as much as digits as its factorization.

2668089043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388316.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 2668089043 is about 51653.5482130705. The cubic root of 2668089043 is about 1386.9690600442.

The spelling of 2668089043 in words is "two billion, six hundred sixty-eight million, eighty-nine thousand, forty-three".