671403267271 has 16 divisors (see below), whose sum is σ = 736093781280. Its totient is φ = 607325368320.

The previous prime is 671403267257. The next prime is 671403267289. The reversal of 671403267271 is 172762304176.

It is not a de Polignac number, because 671403267271 - 2⁵ = 671403267239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671403267971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3633895 + ... + 3814183.

It is an arithmetic number, because the mean of its divisors is an integer number (46005861330).

Almost surely, 2^671403267271 is an apocalyptic number.

671403267271 is a deficient number, since it is larger than the sum of its proper divisors (64690514009).

671403267271 is a wasteful number, since it uses less digits than its factorization.

671403267271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181986.

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

The spelling of 671403267271 in words is "six hundred seventy-one billion, four hundred three million, two hundred sixty-seven thousand, two hundred seventy-one".