17427738271 has 2 divisors, whose sum is σ = 17427738272. Its totient is φ = 17427738270.

The previous prime is 17427738269. The next prime is 17427738283. The reversal of 17427738271 is 17283772471.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17427738271 - 2¹ = 17427738269 is a prime.

It is a super-3 number, since 3×17427738271³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 17427738269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17427738221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8713869135 + 8713869136.

It is an arithmetic number, because the mean of its divisors is an integer number (8713869136).

Almost surely, 2^17427738271 is an apocalyptic number.

17427738271 is a deficient number, since it is larger than the sum of its proper divisors (1).

17427738271 is an equidigital number, since it uses as much as digits as its factorization.

17427738271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921984, while the sum is 49.

The spelling of 17427738271 in words is "seventeen billion, four hundred twenty-seven million, seven hundred thirty-eight thousand, two hundred seventy-one".