424105447 has 2 divisors, whose sum is σ = 424105448. Its totient is φ = 424105446.

The previous prime is 424105421. The next prime is 424105453. The reversal of 424105447 is 744501424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424105447 - 2¹⁹ = 423581159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424100447) 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, 212052723 + 212052724.

It is an arithmetic number, because the mean of its divisors is an integer number (212052724).

Almost surely, 2^424105447 is an apocalyptic number.

424105447 is a deficient number, since it is larger than the sum of its proper divisors (1).

424105447 is an equidigital number, since it uses as much as digits as its factorization.

424105447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 424105447 is about 20593.8206023069. The cubic root of 424105447 is about 751.3194238369.

The spelling of 424105447 in words is "four hundred twenty-four million, one hundred five thousand, four hundred forty-seven".