14640718271 has 2 divisors, whose sum is σ = 14640718272. Its totient is φ = 14640718270.

The previous prime is 14640718247. The next prime is 14640718273. The reversal of 14640718271 is 17281704641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14640718271 is a prime.

It is a Sophie Germain prime.

Together with 14640718273, 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 (14640718273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320359135 + 7320359136.

It is an arithmetic number, because the mean of its divisors is an integer number (7320359136).

Almost surely, 2^14640718271 is an apocalyptic number.

14640718271 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640718271 is an equidigital number, since it uses as much as digits as its factorization.

14640718271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 14640718271 in words is "fourteen billion, six hundred forty million, seven hundred eighteen thousand, two hundred seventy-one".