1003013000663 has 4 divisors (see below), whose sum is σ = 1015709367840. Its totient is φ = 990316633488.

The previous prime is 1003013000659. The next prime is 1003013000669. The reversal of 1003013000663 is 3660003103001.

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 1003013000663 - 2² = 1003013000659 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 (1003013000669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348183470 + ... + 6348183627.

It is an arithmetic number, because the mean of its divisors is an integer number (253927341960).

Almost surely, 2^{1003013000663} is an apocalyptic number.

1003013000663 is a deficient number, since it is larger than the sum of its proper divisors (12696367177).

1003013000663 is an equidigital number, since it uses as much as digits as its factorization.

1003013000663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696367176.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1003013000663 its reverse (3660003103001), we get a palindrome (4663016103664).

The spelling of 1003013000663 in words is "one trillion, three billion, thirteen million, six hundred sixty-three", and thus it is an aban number.