1999886284799 has 16 divisors (see below), whose sum is σ = 2208750888960. Its totient is φ = 1799211398880.

The previous prime is 1999886284741. The next prime is 1999886284801. The reversal of 1999886284799 is 9974826889991.

It is a cyclic number.

It is not a de Polignac number, because 1999886284799 - 2³⁶ = 1931166808063 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 (1999886284499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6701537 + ... + 6993594.

It is an arithmetic number, because the mean of its divisors is an integer number (138046930560).

Almost surely, 2^{1999886284799} is an apocalyptic number.

1999886284799 is a deficient number, since it is larger than the sum of its proper divisors (208864604161).

1999886284799 is a wasteful number, since it uses less digits than its factorization.

1999886284799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695430.

The product of its digits is 10158317568, while the sum is 89.

The spelling of 1999886284799 in words is "one trillion, nine hundred ninety-nine billion, eight hundred eighty-six million, two hundred eighty-four thousand, seven hundred ninety-nine".