271191297893 has 2 divisors, whose sum is σ = 271191297894. Its totient is φ = 271191297892.

The previous prime is 271191297847. The next prime is 271191297899. The reversal of 271191297893 is 398792191172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253888000129 + 17303297764 = 503873^2 + 131542^2 .

It is a cyclic number.

It is not a de Polignac number, because 271191297893 - 2¹² = 271191293797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271191297899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135595648946 + 135595648947.

It is an arithmetic number, because the mean of its divisors is an integer number (135595648947).

Almost surely, 2^271191297893 is an apocalyptic number.

It is an amenable number.

271191297893 is a deficient number, since it is larger than the sum of its proper divisors (1).

271191297893 is an equidigital number, since it uses as much as digits as its factorization.

271191297893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 59.

The spelling of 271191297893 in words is "two hundred seventy-one billion, one hundred ninety-one million, two hundred ninety-seven thousand, eight hundred ninety-three".