447114809 has 2 divisors, whose sum is σ = 447114810. Its totient is φ = 447114808.

The previous prime is 447114793. The next prime is 447114823. The reversal of 447114809 is 908411744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371911225 + 75203584 = 19285^2 + 8672^2 .

It is a cyclic number.

It is not a de Polignac number, because 447114809 - 2⁴ = 447114793 is a prime.

It is not a weakly prime, because it can be changed into another prime (447114709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223557404 + 223557405.

It is an arithmetic number, because the mean of its divisors is an integer number (223557405).

Almost surely, 2^447114809 is an apocalyptic number.

It is an amenable number.

447114809 is a deficient number, since it is larger than the sum of its proper divisors (1).

447114809 is an equidigital number, since it uses as much as digits as its factorization.

447114809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 447114809 is about 21145.0894772285. The cubic root of 447114809 is about 764.6681796723.

The spelling of 447114809 in words is "four hundred forty-seven million, one hundred fourteen thousand, eight hundred nine".