271447661393 has 2 divisors, whose sum is σ = 271447661394. Its totient is φ = 271447661392.

The previous prime is 271447661371. The next prime is 271447661477. The reversal of 271447661393 is 393166744172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232008878929 + 39438782464 = 481673^2 + 198592^2 .

It is a cyclic number.

It is not a de Polignac number, because 271447661393 - 2¹² = 271447657297 is a prime.

It is not a weakly prime, because it can be changed into another prime (271447061393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135723830696 + 135723830697.

It is an arithmetic number, because the mean of its divisors is an integer number (135723830697).

Almost surely, 2^271447661393 is an apocalyptic number.

It is an amenable number.

271447661393 is a deficient number, since it is larger than the sum of its proper divisors (1).

271447661393 is an equidigital number, since it uses as much as digits as its factorization.

271447661393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 53.

The spelling of 271447661393 in words is "two hundred seventy-one billion, four hundred forty-seven million, six hundred sixty-one thousand, three hundred ninety-three".