2668426466539 has 8 divisors (see below), whose sum is σ = 2673831684240. Its totient is φ = 2663022336000.

The previous prime is 2668426466527. The next prime is 2668426466581. The reversal of 2668426466539 is 9356646248662.

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 2668426466539 - 2¹¹ = 2668426464491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668426466339) 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, 4735392 + ... + 5268850.

It is an arithmetic number, because the mean of its divisors is an integer number (334228960530).

Almost surely, 2^{2668426466539} is an apocalyptic number.

2668426466539 is a deficient number, since it is larger than the sum of its proper divisors (5405217701).

2668426466539 is an equidigital number, since it uses as much as digits as its factorization.

2668426466539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543581.

The product of its digits is 537477120, while the sum is 67.

The spelling of 2668426466539 in words is "two trillion, six hundred sixty-eight billion, four hundred twenty-six million, four hundred sixty-six thousand, five hundred thirty-nine".