5286766672391 has 2 divisors, whose sum is σ = 5286766672392. Its totient is φ = 5286766672390.

The previous prime is 5286766672381. The next prime is 5286766672393. The reversal of 5286766672391 is 1932766676825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5286766672391 is a prime.

Together with 5286766672393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5286766672393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643383336195 + 2643383336196.

It is an arithmetic number, because the mean of its divisors is an integer number (2643383336196).

Almost surely, 2^{5286766672391} is an apocalyptic number.

5286766672391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5286766672391 is an equidigital number, since it uses as much as digits as its factorization.

5286766672391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 68.

The spelling of 5286766672391 in words is "five trillion, two hundred eighty-six billion, seven hundred sixty-six million, six hundred seventy-two thousand, three hundred ninety-one".