1001000000004 has 48 divisors (see below), whose sum is σ = 2365415270400. Its totient is φ = 329417521056.

The previous prime is 1000999999943. The next prime is 1001000000017. The reversal of 1001000000004 is 4000000001001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a junction number, because it is equal to n+sod(n) for n = 1000999999929 and 1001000000001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15198657 + ... + 15264375.

It is an arithmetic number, because the mean of its divisors is an integer number (49279484800).

Almost surely, 2^{1001000000004} is an apocalyptic number.

It is an amenable number.

1001000000004 is an abundant number, since it is smaller than the sum of its proper divisors (1364415270396).

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

1001000000004 is a wasteful number, since it uses less digits than its factorization.

1001000000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81872 (or 81870 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 1001000000004 its reverse (4000000001001), we get a palindrome (5001000001005).

The spelling of 1001000000004 in words is "one trillion, one billion, four", and thus it is an aban number.