268548040839187 has 2 divisors, whose sum is σ = 268548040839188. Its totient is φ = 268548040839186.

The previous prime is 268548040839179. The next prime is 268548040839203. The reversal of 268548040839187 is 781938040845862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268548040839187 - 2³ = 268548040839179 is a prime.

It is not a weakly prime, because it can be changed into another prime (268548044839187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134274020419593 + 134274020419594.

It is an arithmetic number, because the mean of its divisors is an integer number (134274020419594).

It is a 1-persistent number, because it is pandigital, but 2⋅268548040839187 = 537096081678374 is not.

Almost surely, 2^{268548040839187} is an apocalyptic number.

268548040839187 is a deficient number, since it is larger than the sum of its proper divisors (1).

268548040839187 is an equidigital number, since it uses as much as digits as its factorization.

268548040839187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 743178240, while the sum is 73.

The spelling of 268548040839187 in words is "two hundred sixty-eight trillion, five hundred forty-eight billion, forty million, eight hundred thirty-nine thousand, one hundred eighty-seven".