271251672691 has 2 divisors, whose sum is σ = 271251672692. Its totient is φ = 271251672690.

The previous prime is 271251672617. The next prime is 271251672719. The reversal of 271251672691 is 196276152172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271251672691 - 2⁹ = 271251672179 is a prime.

It is not a weakly prime, because it can be changed into another prime (271251672191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135625836345 + 135625836346.

It is an arithmetic number, because the mean of its divisors is an integer number (135625836346).

Almost surely, 2^271251672691 is an apocalyptic number.

271251672691 is a deficient number, since it is larger than the sum of its proper divisors (1).

271251672691 is an equidigital number, since it uses as much as digits as its factorization.

271251672691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The spelling of 271251672691 in words is "two hundred seventy-one billion, two hundred fifty-one million, six hundred seventy-two thousand, six hundred ninety-one".