2000681867 has 8 divisors (see below), whose sum is σ = 2006721024. Its totient is φ = 1994652648.

The previous prime is 2000681833. The next prime is 2000681869. The reversal of 2000681867 is 7681860002.

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

It is a cyclic number.

It is not a de Polignac number, because 2000681867 - 2¹² = 2000677771 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2000681867.

It is not an unprimeable number, because it can be changed into a prime (2000681869) 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 7 ways as a sum of consecutive naturals, for example, 596798 + ... + 600140.

It is an arithmetic number, because the mean of its divisors is an integer number (250840128).

Almost surely, 2^2000681867 is an apocalyptic number.

2000681867 is a deficient number, since it is larger than the sum of its proper divisors (6039157).

2000681867 is a wasteful number, since it uses less digits than its factorization.

2000681867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2000681867 is about 44728.9824051476. The cubic root of 2000681867 is about 1260.0642167237.

The spelling of 2000681867 in words is "two billion, six hundred eighty-one thousand, eight hundred sixty-seven".