447473419 has 2 divisors, whose sum is σ = 447473420. Its totient is φ = 447473418.

The previous prime is 447473413. The next prime is 447473431. The reversal of 447473419 is 914374744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447473419 - 2²⁵ = 413918987 is a prime.

It is a super-2 number, since 2×447473419² = 400464921423099122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447473413) 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, 223736709 + 223736710.

It is an arithmetic number, because the mean of its divisors is an integer number (223736710).

Almost surely, 2^447473419 is an apocalyptic number.

447473419 is a deficient number, since it is larger than the sum of its proper divisors (1).

447473419 is an equidigital number, since it uses as much as digits as its factorization.

447473419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 447473419 is about 21153.5675241790. The cubic root of 447473419 is about 764.8725599721.

The spelling of 447473419 in words is "four hundred forty-seven million, four hundred seventy-three thousand, four hundred nineteen".