268651293445127 has 2 divisors, whose sum is σ = 268651293445128. Its totient is φ = 268651293445126.

The previous prime is 268651293445097. The next prime is 268651293445133. The reversal of 268651293445127 is 721544392156862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268651293445127 is a prime.

It is a super-2 number, since 2×268651293445127² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268651293445147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134325646722563 + 134325646722564.

It is an arithmetic number, because the mean of its divisors is an integer number (134325646722564).

Almost surely, 2^{268651293445127} is an apocalyptic number.

268651293445127 is a deficient number, since it is larger than the sum of its proper divisors (1).

268651293445127 is an equidigital number, since it uses as much as digits as its factorization.

268651293445127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 65.

The spelling of 268651293445127 in words is "two hundred sixty-eight trillion, six hundred fifty-one billion, two hundred ninety-three million, four hundred forty-five thousand, one hundred twenty-seven".