10003440043 has 4 divisors (see below), whose sum is σ = 10003645008. Its totient is φ = 10003235080.

The previous prime is 10003440023. The next prime is 10003440047. The reversal of 10003440043 is 34004430001.

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

It is a cyclic number.

It is not a de Polignac number, because 10003440043 - 2²¹ = 10001342891 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 10003440043.

It is not an unprimeable number, because it can be changed into a prime (10003440047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17730 + ... + 142552.

It is an arithmetic number, because the mean of its divisors is an integer number (2500911252).

Almost surely, 2^10003440043 is an apocalyptic number.

10003440043 is a deficient number, since it is larger than the sum of its proper divisors (204965).

10003440043 is an equidigital number, since it uses as much as digits as its factorization.

10003440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204964.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10003440043 its reverse (34004430001), we get a palindrome (44007870044).

The spelling of 10003440043 in words is "ten billion, three million, four hundred forty thousand, forty-three".