4000000003 has 4 divisors (see below), whose sum is σ = 4000192560. Its totient is φ = 3999807448.

The previous prime is 3999999979. The next prime is 4000000007. The reversal of 4000000003 is 3000000004.

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-4000000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000000007) 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, 60748 + ... + 108121.

It is an arithmetic number, because the mean of its divisors is an integer number (1000048140).

Almost surely, 2^4000000003 is an apocalyptic number.

4000000003 is a deficient number, since it is larger than the sum of its proper divisors (192557).

4000000003 is a wasteful number, since it uses less digits than its factorization.

4000000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192556.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 4000000003 is about 63245.5532270847. The cubic root of 4000000003 is about 1587.4010523650.

Adding to 4000000003 its reverse (3000000004), we get a palindrome (7000000007).

Subtracting from 4000000003 its reverse (3000000004), we obtain a palindrome (999999999).

The spelling of 4000000003 in words is "four billion, three", and thus it is an aban number.