2043442011 has 16 divisors (see below), whose sum is σ = 2935068416. Its totient is φ = 1257119136.

The previous prime is 2043442003. The next prime is 2043442033. The reversal of 2043442011 is 1102443402.

It is not a de Polignac number, because 2043442011 - 2³ = 2043442003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043442411) 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 15 ways as a sum of consecutive naturals, for example, 173826 + ... + 185208.

It is an arithmetic number, because the mean of its divisors is an integer number (183441776).

Almost surely, 2^2043442011 is an apocalyptic number.

2043442011 is a deficient number, since it is larger than the sum of its proper divisors (891626405).

2043442011 is a wasteful number, since it uses less digits than its factorization.

2043442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16002.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2043442011 is about 45204.4468055965. The cubic root of 2043442011 is about 1268.9780380846.

Adding to 2043442011 its reverse (1102443402), we get a palindrome (3145885413).

The spelling of 2043442011 in words is "two billion, forty-three million, four hundred forty-two thousand, eleven".