447133528817 has 2 divisors, whose sum is σ = 447133528818. Its totient is φ = 447133528816.

The previous prime is 447133528759. The next prime is 447133528819. The reversal of 447133528817 is 718825331744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407917251856 + 39216276961 = 638684^2 + 198031^2 .

It is a cyclic number.

It is not a de Polignac number, because 447133528817 - 2⁶ = 447133528753 is a prime.

Together with 447133528819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (447133528819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223566764408 + 223566764409.

It is an arithmetic number, because the mean of its divisors is an integer number (223566764409).

Almost surely, 2^447133528817 is an apocalyptic number.

It is an amenable number.

447133528817 is a deficient number, since it is larger than the sum of its proper divisors (1).

447133528817 is an equidigital number, since it uses as much as digits as its factorization.

447133528817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 53.

The spelling of 447133528817 in words is "four hundred forty-seven billion, one hundred thirty-three million, five hundred twenty-eight thousand, eight hundred seventeen".