447570089 has 2 divisors, whose sum is σ = 447570090. Its totient is φ = 447570088.

The previous prime is 447570077. The next prime is 447570091. The reversal of 447570089 is 980075744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345216400 + 102353689 = 18580^2 + 10117^2 .

It is a cyclic number.

It is not a de Polignac number, because 447570089 - 2⁴ = 447570073 is a prime.

Together with 447570091, 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 (447570029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223785044 + 223785045.

It is an arithmetic number, because the mean of its divisors is an integer number (223785045).

Almost surely, 2^447570089 is an apocalyptic number.

It is an amenable number.

447570089 is a deficient number, since it is larger than the sum of its proper divisors (1).

447570089 is an equidigital number, since it uses as much as digits as its factorization.

447570089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 447570089 is about 21155.8523581538. The cubic root of 447570089 is about 764.9276357996.

The spelling of 447570089 in words is "four hundred forty-seven million, five hundred seventy thousand, eighty-nine".