671425910567 has 2 divisors, whose sum is σ = 671425910568. Its totient is φ = 671425910566.

The previous prime is 671425910527. The next prime is 671425910569. The reversal of 671425910567 is 765019524176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671425910567 - 2¹⁰ = 671425909543 is a prime.

It is a super-2 number, since 2×671425910567² (a number of 24 digits) contains 22 as substring.

Together with 671425910569, 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 (671425910569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335712955283 + 335712955284.

It is an arithmetic number, because the mean of its divisors is an integer number (335712955284).

Almost surely, 2^671425910567 is an apocalyptic number.

671425910567 is a deficient number, since it is larger than the sum of its proper divisors (1).

671425910567 is an equidigital number, since it uses as much as digits as its factorization.

671425910567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 671425910567 in words is "six hundred seventy-one billion, four hundred twenty-five million, nine hundred ten thousand, five hundred sixty-seven".