1000009889999 has 8 divisors (see below), whose sum is σ = 1002916933200. Its totient is φ = 997103085696.

The previous prime is 1000009889993. The next prime is 1000009890001. The reversal of 1000009889999 is 9999889000001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000009889999 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 (1000009889993) 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, 11633672 + ... + 11719314.

It is an arithmetic number, because the mean of its divisors is an integer number (125364616650).

Almost surely, 2^{1000009889999} is an apocalyptic number.

1000009889999 is a deficient number, since it is larger than the sum of its proper divisors (2907043201).

1000009889999 is an equidigital number, since it uses as much as digits as its factorization.

1000009889999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119449.

The product of its (nonzero) digits is 3779136, while the sum is 62.

The spelling of 1000009889999 in words is "one trillion, nine million, eight hundred eighty-nine thousand, nine hundred ninety-nine".