271650421897 has 2 divisors, whose sum is σ = 271650421898. Its totient is φ = 271650421896.

The previous prime is 271650421849. The next prime is 271650421909. The reversal of 271650421897 is 798124056172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230410560121 + 41239861776 = 480011^2 + 203076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271650421897 is a prime.

It is not a weakly prime, because it can be changed into another prime (271650421297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135825210948 + 135825210949.

It is an arithmetic number, because the mean of its divisors is an integer number (135825210949).

Almost surely, 2^271650421897 is an apocalyptic number.

It is an amenable number.

271650421897 is a deficient number, since it is larger than the sum of its proper divisors (1).

271650421897 is an equidigital number, since it uses as much as digits as its factorization.

271650421897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 271650421897 in words is "two hundred seventy-one billion, six hundred fifty million, four hundred twenty-one thousand, eight hundred ninety-seven".