2000186868689 has 8 divisors (see below), whose sum is σ = 2004612993768. Its totient is φ = 1995761122560.

The previous prime is 2000186868679. The next prime is 2000186868703. The reversal of 2000186868689 is 9868686810002.

It can be written as a sum of positive squares in 4 ways, for example, as 31124016400 + 1969062852289 = 176420^2 + 1403233^2 .

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-2000186868689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2000186868629) 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, 12244619 + ... + 12406895.

It is an arithmetic number, because the mean of its divisors is an integer number (250576624221).

Almost surely, 2^{2000186868689} is an apocalyptic number.

It is an amenable number.

2000186868689 is a deficient number, since it is larger than the sum of its proper divisors (4426125079).

2000186868689 is a wasteful number, since it uses less digits than its factorization.

2000186868689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189475.

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 2000186868689 in words is "two trillion, one hundred eighty-six million, eight hundred sixty-eight thousand, six hundred eighty-nine".