1027268270891 has 2 divisors, whose sum is σ = 1027268270892. Its totient is φ = 1027268270890.

The previous prime is 1027268270863. The next prime is 1027268270909. The reversal of 1027268270891 is 1980728627201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1980728627201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1027268270891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1027268278891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513634135445 + 513634135446.

It is an arithmetic number, because the mean of its divisors is an integer number (513634135446).

Almost surely, 2^{1027268270891} is an apocalyptic number.

1027268270891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027268270891 is an equidigital number, since it uses as much as digits as its factorization.

1027268270891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 1027268270891 in words is "one trillion, twenty-seven billion, two hundred sixty-eight million, two hundred seventy thousand, eight hundred ninety-one".