271227949 has 2 divisors, whose sum is σ = 271227950. Its totient is φ = 271227948.

The previous prime is 271227947. The next prime is 271227973. The reversal of 271227949 is 949722172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238084900 + 33143049 = 15430^2 + 5757^2 .

It is a cyclic number.

It is not a de Polignac number, because 271227949 - 2¹ = 271227947 is a prime.

Together with 271227947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271227947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135613974 + 135613975.

It is an arithmetic number, because the mean of its divisors is an integer number (135613975).

Almost surely, 2^271227949 is an apocalyptic number.

It is an amenable number.

271227949 is a deficient number, since it is larger than the sum of its proper divisors (1).

271227949 is an equidigital number, since it uses as much as digits as its factorization.

271227949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 271227949 is about 16468.9996356792. Note that the first 3 decimals coincide. The cubic root of 271227949 is about 647.3087534649.

The spelling of 271227949 in words is "two hundred seventy-one million, two hundred twenty-seven thousand, nine hundred forty-nine".