2002112116649 has 4 divisors (see below), whose sum is σ = 2034933626820. Its totient is φ = 1969290606480.

The previous prime is 2002112116639. The next prime is 2002112116661. The reversal of 2002112116649 is 9466112112002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70201152025 + 1931910964624 = 264955^2 + 1389932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002112116649 - 2⁸ = 2002112116393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002112116639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16410754994 + ... + 16410755115.

It is an arithmetic number, because the mean of its divisors is an integer number (508733406705).

Almost surely, 2^{2002112116649} is an apocalyptic number.

It is an amenable number.

2002112116649 is a deficient number, since it is larger than the sum of its proper divisors (32821510171).

2002112116649 is an equidigital number, since it uses as much as digits as its factorization.

2002112116649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32821510170.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 2002112116649 in words is "two trillion, two billion, one hundred twelve million, one hundred sixteen thousand, six hundred forty-nine".