4271591449 has 2 divisors, whose sum is σ = 4271591450. Its totient is φ = 4271591448.

The previous prime is 4271591371. The next prime is 4271591459. The reversal of 4271591449 is 9441951724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3704913424 + 566678025 = 60868^2 + 23805^2 .

It is a cyclic number.

It is not a de Polignac number, because 4271591449 - 2¹³ = 4271583257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4271591399 and 4271591408.

It is not a weakly prime, because it can be changed into another prime (4271591459) 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, 2135795724 + 2135795725.

It is an arithmetic number, because the mean of its divisors is an integer number (2135795725).

Almost surely, 2^4271591449 is an apocalyptic number.

It is an amenable number.

4271591449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271591449 is an equidigital number, since it uses as much as digits as its factorization.

4271591449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 4271591449 is about 65357.4131143515. The cubic root of 4271591449 is about 1622.5443238976.

The spelling of 4271591449 in words is "four billion, two hundred seventy-one million, five hundred ninety-one thousand, four hundred forty-nine".