2003144863 has 4 divisors (see below), whose sum is σ = 2108573560. Its totient is φ = 1897716168.

The previous prime is 2003144851. The next prime is 2003144879. The reversal of 2003144863 is 3684413002.

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 2003144863 - 2¹⁷ = 2003013791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003145863) 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, 52714320 + ... + 52714357.

It is an arithmetic number, because the mean of its divisors is an integer number (527143390).

Almost surely, 2^2003144863 is an apocalyptic number.

2003144863 is a deficient number, since it is larger than the sum of its proper divisors (105428697).

2003144863 is a wasteful number, since it uses less digits than its factorization.

2003144863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105428696.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2003144863 is about 44756.5063761684. The cubic root of 2003144863 is about 1260.5810839117.

Adding to 2003144863 its reverse (3684413002), we get a palindrome (5687557865).

The spelling of 2003144863 in words is "two billion, three million, one hundred forty-four thousand, eight hundred sixty-three".