2666087136047 has 2 divisors, whose sum is σ = 2666087136048. Its totient is φ = 2666087136046.

The previous prime is 2666087135909. The next prime is 2666087136059. The reversal of 2666087136047 is 7406317806662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666087136047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2666087135983 and 2666087136001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666087136067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333043568023 + 1333043568024.

It is an arithmetic number, because the mean of its divisors is an integer number (1333043568024).

Almost surely, 2^{2666087136047} is an apocalyptic number.

2666087136047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666087136047 is an equidigital number, since it uses as much as digits as its factorization.

2666087136047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 2666087136047 in words is "two trillion, six hundred sixty-six billion, eighty-seven million, one hundred thirty-six thousand, forty-seven".