9671270449 has 2 divisors, whose sum is σ = 9671270450. Its totient is φ = 9671270448.

The previous prime is 9671270341. The next prime is 9671270459. The reversal of 9671270449 is 9440721769.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8396423424 + 1274847025 = 91632^2 + 35705^2 .

It is a cyclic number.

It is not a de Polignac number, because 9671270449 - 2²³ = 9662881841 is a prime.

It is not a weakly prime, because it can be changed into another prime (9671270459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835635224 + 4835635225.

It is an arithmetic number, because the mean of its divisors is an integer number (4835635225).

Almost surely, 2^9671270449 is an apocalyptic number.

It is an amenable number.

9671270449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9671270449 is an equidigital number, since it uses as much as digits as its factorization.

9671270449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9671270449 is about 98342.6176639609. The cubic root of 9671270449 is about 2130.5636314696.

The spelling of 9671270449 in words is "nine billion, six hundred seventy-one million, two hundred seventy thousand, four hundred forty-nine".