10001001004 has 12 divisors (see below), whose sum is σ = 17712616824. Its totient is φ = 4940253344.

The previous prime is 10001001001. The next prime is 10001001011. The reversal of 10001001004 is 40010010001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10001001001) 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, 15061417 + ... + 15062080.

It is an arithmetic number, because the mean of its divisors is an integer number (1476051402).

Almost surely, 2^10001001004 is an apocalyptic number.

It is an amenable number.

10001001004 is a deficient number, since it is larger than the sum of its proper divisors (7711615820).

10001001004 is a wasteful number, since it uses less digits than its factorization.

10001001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30123584 (or 30123582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10001001004 its reverse (40010010001), we get a palindrome (50011011005).

The spelling of 10001001004 in words is "ten billion, one million, one thousand, four".