271680242651 has 2 divisors, whose sum is σ = 271680242652. Its totient is φ = 271680242650.

The previous prime is 271680242599. The next prime is 271680242711. The reversal of 271680242651 is 156242086172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271680242651 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (271680242851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135840121325 + 135840121326.

It is an arithmetic number, because the mean of its divisors is an integer number (135840121326).

Almost surely, 2^271680242651 is an apocalyptic number.

271680242651 is a deficient number, since it is larger than the sum of its proper divisors (1).

271680242651 is an equidigital number, since it uses as much as digits as its factorization.

271680242651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 271680242651 in words is "two hundred seventy-one billion, six hundred eighty million, two hundred forty-two thousand, six hundred fifty-one".