2003144394863 has 8 divisors (see below), whose sum is σ = 2063984693232. Its totient is φ = 1942656794496.

The previous prime is 2003144394793. The next prime is 2003144394907. The reversal of 2003144394863 is 3684934413002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003144394863 - 2¹⁶ = 2003144329327 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 (2003144396863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88162970 + ... + 88185687.

It is an arithmetic number, because the mean of its divisors is an integer number (257998086654).

Almost surely, 2^{2003144394863} is an apocalyptic number.

2003144394863 is a deficient number, since it is larger than the sum of its proper divisors (60840298369).

2003144394863 is a wasteful number, since it uses less digits than its factorization.

2003144394863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176349001.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 2003144394863 in words is "two trillion, three billion, one hundred forty-four million, three hundred ninety-four thousand, eight hundred sixty-three".