2668863049489 has 8 divisors (see below), whose sum is σ = 3284754522560. Its totient is φ = 2111627907216.

The previous prime is 2668863049477. The next prime is 2668863049499. The reversal of 2668863049489 is 9849403688662.

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 2668863049489 - 2²¹ = 2668860952337 is a prime.

It is a super-2 number, since 2×2668863049489² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2668863049459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14664082599 + ... + 14664082780.

It is an arithmetic number, because the mean of its divisors is an integer number (410594315320).

Almost surely, 2^{2668863049489} is an apocalyptic number.

It is an amenable number.

2668863049489 is a deficient number, since it is larger than the sum of its proper divisors (615891473071).

2668863049489 is a wasteful number, since it uses less digits than its factorization.

2668863049489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29328165399.

The product of its (nonzero) digits is 859963392, while the sum is 73.

The spelling of 2668863049489 in words is "two trillion, six hundred sixty-eight billion, eight hundred sixty-three million, forty-nine thousand, four hundred eighty-nine".