2002112009979 has 4 divisors (see below), whose sum is σ = 2669482679976. Its totient is φ = 1334741339984.

The previous prime is 2002112009971. The next prime is 2002112010011. The reversal of 2002112009979 is 9799002112002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002112009979 - 2³ = 2002112009971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002112009979.

It is not an unprimeable number, because it can be changed into a prime (2002112009971) 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, 333685334994 + ... + 333685334999.

It is an arithmetic number, because the mean of its divisors is an integer number (667370669994).

Almost surely, 2^{2002112009979} is an apocalyptic number.

2002112009979 is a deficient number, since it is larger than the sum of its proper divisors (667370669997).

2002112009979 is an equidigital number, since it uses as much as digits as its factorization.

2002112009979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667370669996.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 2002112009979 in words is "two trillion, two billion, one hundred twelve million, nine thousand, nine hundred seventy-nine".