671322271267 has 2 divisors, whose sum is σ = 671322271268. Its totient is φ = 671322271266.

The previous prime is 671322271219. The next prime is 671322271303. The reversal of 671322271267 is 762172223176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671322271267 - 2²⁷ = 671188053539 is a prime.

It is not a weakly prime, because it can be changed into another prime (671322241267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335661135633 + 335661135634.

It is an arithmetic number, because the mean of its divisors is an integer number (335661135634).

Almost surely, 2^671322271267 is an apocalyptic number.

671322271267 is a deficient number, since it is larger than the sum of its proper divisors (1).

671322271267 is an equidigital number, since it uses as much as digits as its factorization.

671322271267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The spelling of 671322271267 in words is "six hundred seventy-one billion, three hundred twenty-two million, two hundred seventy-one thousand, two hundred sixty-seven".