271801221253 has 2 divisors, whose sum is σ = 271801221254. Its totient is φ = 271801221252.

The previous prime is 271801221179. The next prime is 271801221259. The reversal of 271801221253 is 352122108172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199815258049 + 71985963204 = 447007^2 + 268302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271801221253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271801221259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135900610626 + 135900610627.

It is an arithmetic number, because the mean of its divisors is an integer number (135900610627).

Almost surely, 2^271801221253 is an apocalyptic number.

It is an amenable number.

271801221253 is a deficient number, since it is larger than the sum of its proper divisors (1).

271801221253 is an equidigital number, since it uses as much as digits as its factorization.

271801221253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 271801221253 in words is "two hundred seventy-one billion, eight hundred one million, two hundred twenty-one thousand, two hundred fifty-three".