671322271469 has 2 divisors, whose sum is σ = 671322271470. Its totient is φ = 671322271468.

The previous prime is 671322271457. The next prime is 671322271517. The reversal of 671322271469 is 964172223176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469327755625 + 201994515844 = 685075^2 + 449438^2 .

It is a cyclic number.

It is not a de Polignac number, because 671322271469 - 2⁴ = 671322271453 is a prime.

It is a super-3 number, since 3×671322271469³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671322271769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335661135734 + 335661135735.

It is an arithmetic number, because the mean of its divisors is an integer number (335661135735).

Almost surely, 2^671322271469 is an apocalyptic number.

It is an amenable number.

671322271469 is a deficient number, since it is larger than the sum of its proper divisors (1).

671322271469 is an equidigital number, since it uses as much as digits as its factorization.

671322271469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The spelling of 671322271469 in words is "six hundred seventy-one billion, three hundred twenty-two million, two hundred seventy-one thousand, four hundred sixty-nine".