1002000999999 has 8 divisors (see below), whose sum is σ = 1336006672000. Its totient is φ = 667997997336.

The previous prime is 1002000999973. The next prime is 1002001000027. The reversal of 1002000999999 is 9999990002001.

It is a Cunningham number, because it is equal to 1001000²-1.

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

It is not a de Polignac number, because 1002000999999 - 2²³ = 1001992611391 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 (1002000999929) 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, 500502 + ... + 1501500.

It is an arithmetic number, because the mean of its divisors is an integer number (167000834000).

Almost surely, 2^{1002000999999} is an apocalyptic number.

1002000999999 is a deficient number, since it is larger than the sum of its proper divisors (334005672001).

1002000999999 is a wasteful number, since it uses less digits than its factorization.

1002000999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334669.

The product of its (nonzero) digits is 1062882, while the sum is 57.

The spelling of 1002000999999 in words is "one trillion, two billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".