264563173271 has 2 divisors, whose sum is σ = 264563173272. Its totient is φ = 264563173270.

The previous prime is 264563173207. The next prime is 264563173313. The reversal of 264563173271 is 172371365462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264563173271 - 2⁶ = 264563173207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264563170271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132281586635 + 132281586636.

It is an arithmetic number, because the mean of its divisors is an integer number (132281586636).

Almost surely, 2^264563173271 is an apocalyptic number.

264563173271 is a deficient number, since it is larger than the sum of its proper divisors (1).

264563173271 is an equidigital number, since it uses as much as digits as its factorization.

264563173271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The spelling of 264563173271 in words is "two hundred sixty-four billion, five hundred sixty-three million, one hundred seventy-three thousand, two hundred seventy-one".