2666936973913 has 4 divisors (see below), whose sum is σ = 2728958764048. Its totient is φ = 2604915183780.

The previous prime is 2666936973871. The next prime is 2666936973919. The reversal of 2666936973913 is 3193796396662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2666936973913 - 2²⁹ = 2666400103001 is a prime.

It is a super-2 number, since 2×2666936973913² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666936973919) 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 3 ways as a sum of consecutive naturals, for example, 31010895003 + ... + 31010895088.

It is an arithmetic number, because the mean of its divisors is an integer number (682239691012).

Almost surely, 2^{2666936973913} is an apocalyptic number.

It is an amenable number.

2666936973913 is a deficient number, since it is larger than the sum of its proper divisors (62021790135).

2666936973913 is an equidigital number, since it uses as much as digits as its factorization.

2666936973913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62021790134.

The product of its digits is 357128352, while the sum is 70.

The spelling of 2666936973913 in words is "two trillion, six hundred sixty-six billion, nine hundred thirty-six million, nine hundred seventy-three thousand, nine hundred thirteen".