268306388327 has 2 divisors, whose sum is σ = 268306388328. Its totient is φ = 268306388326.

The previous prime is 268306388281. The next prime is 268306388341. The reversal of 268306388327 is 723883603862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268306388327 - 2⁸ = 268306388071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268306384327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134153194163 + 134153194164.

It is an arithmetic number, because the mean of its divisors is an integer number (134153194164).

Almost surely, 2^268306388327 is an apocalyptic number.

268306388327 is a deficient number, since it is larger than the sum of its proper divisors (1).

268306388327 is an equidigital number, since it uses as much as digits as its factorization.

268306388327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 268306388327 in words is "two hundred sixty-eight billion, three hundred six million, three hundred eighty-eight thousand, three hundred twenty-seven".