268030817671 has 2 divisors, whose sum is σ = 268030817672. Its totient is φ = 268030817670.

The previous prime is 268030817581. The next prime is 268030817687. The reversal of 268030817671 is 176718030862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268030817671 - 2¹¹ = 268030815623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268030815671) 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, 134015408835 + 134015408836.

It is an arithmetic number, because the mean of its divisors is an integer number (134015408836).

Almost surely, 2^268030817671 is an apocalyptic number.

268030817671 is a deficient number, since it is larger than the sum of its proper divisors (1).

268030817671 is an equidigital number, since it uses as much as digits as its factorization.

268030817671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 268030817671 in words is "two hundred sixty-eight billion, thirty million, eight hundred seventeen thousand, six hundred seventy-one".