2043630403 has 4 divisors (see below), whose sum is σ = 2058332920. Its totient is φ = 2028927888.

The previous prime is 2043630397. The next prime is 2043630437. The reversal of 2043630403 is 3040363402.

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-2043630403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043630103) 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, 7351050 + ... + 7351327.

It is an arithmetic number, because the mean of its divisors is an integer number (514583230).

Almost surely, 2^2043630403 is an apocalyptic number.

2043630403 is a deficient number, since it is larger than the sum of its proper divisors (14702517).

2043630403 is a wasteful number, since it uses less digits than its factorization.

2043630403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702516.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2043630403 is about 45206.5305348685. The cubic root of 2043630403 is about 1269.0170340471.

Adding to 2043630403 its reverse (3040363402), we get a palindrome (5083993805).

The spelling of 2043630403 in words is "two billion, forty-three million, six hundred thirty thousand, four hundred three".