8448666131 has 2 divisors, whose sum is σ = 8448666132. Its totient is φ = 8448666130.

The previous prime is 8448666113. The next prime is 8448666133. The reversal of 8448666131 is 1316668448.

8448666131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (8448666113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8448666131 - 2³⁰ = 7374924307 is a prime.

It is a super-2 number, since 2×8448666131² (a number of 21 digits) contains 22 as substring.

Together with 8448666133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8448666133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224333065 + 4224333066.

It is an arithmetic number, because the mean of its divisors is an integer number (4224333066).

Almost surely, 2^8448666131 is an apocalyptic number.

8448666131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448666131 is an equidigital number, since it uses as much as digits as its factorization.

8448666131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 47.

The square root of 8448666131 is about 91916.6259770233. The cubic root of 8448666131 is about 2036.7108770991.

The spelling of 8448666131 in words is "eight billion, four hundred forty-eight million, six hundred sixty-six thousand, one hundred thirty-one".