2668742899199 has 8 divisors (see below), whose sum is σ = 2874274892832. Its totient is φ = 2463245773920.

The previous prime is 2668742899111. The next prime is 2668742899223. The reversal of 2668742899199 is 9919982478662.

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 2668742899199 - 2²⁰ = 2668741850623 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 (2668742899099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8558012 + ... + 8864369.

It is an arithmetic number, because the mean of its divisors is an integer number (359284361604).

Almost surely, 2^{2668742899199} is an apocalyptic number.

2668742899199 is a deficient number, since it is larger than the sum of its proper divisors (205531993633).

2668742899199 is a wasteful number, since it uses less digits than its factorization.

2668742899199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17434177.

The product of its digits is 1693052928, while the sum is 80.

The spelling of 2668742899199 in words is "two trillion, six hundred sixty-eight billion, seven hundred forty-two million, eight hundred ninety-nine thousand, one hundred ninety-nine".