5286766672381 has 2 divisors, whose sum is σ = 5286766672382. Its totient is φ = 5286766672380.

The previous prime is 5286766672339. The next prime is 5286766672391. The reversal of 5286766672381 is 1832766676825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3825349222500 + 1461417449881 = 1955850^2 + 1208891^2 .

It is a cyclic number.

It is not a de Polignac number, because 5286766672381 - 2¹³ = 5286766664189 is a prime.

It is a super-2 number, since 2×5286766672381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5286766672391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643383336190 + 2643383336191.

It is an arithmetic number, because the mean of its divisors is an integer number (2643383336191).

Almost surely, 2^{5286766672381} is an apocalyptic number.

It is an amenable number.

5286766672381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5286766672381 is an equidigital number, since it uses as much as digits as its factorization.

5286766672381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243855360, while the sum is 67.

The spelling of 5286766672381 in words is "five trillion, two hundred eighty-six billion, seven hundred sixty-six million, six hundred seventy-two thousand, three hundred eighty-one".