1003403936868 has 96 divisors (see below), whose sum is σ = 2406594723456. Its totient is φ = 325209572352.

The previous prime is 1003403936827. The next prime is 1003403936929. The reversal of 1003403936868 is 8686393043001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003403936868.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196243080 + ... + 196248192.

It is an arithmetic number, because the mean of its divisors is an integer number (25068695036).

Almost surely, 2^{1003403936868} is an apocalyptic number.

It is an amenable number.

1003403936868 is an abundant number, since it is smaller than the sum of its proper divisors (1403190786588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003403936868 is a wasteful number, since it uses less digits than its factorization.

1003403936868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

Adding to 1003403936868 its reverse (8686393043001), we get a palindrome (9689796979869).

The spelling of 1003403936868 in words is "one trillion, three billion, four hundred three million, nine hundred thirty-six thousand, eight hundred sixty-eight".