424460909 has 4 divisors (see below), whose sum is σ = 430275516. Its totient is φ = 418646304.

The previous prime is 424460903. The next prime is 424460923. The reversal of 424460909 is 909064424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105124009 + 319336900 = 10253^2 + 17870^2 .

It is a cyclic number.

It is not a de Polignac number, because 424460909 - 2¹⁶ = 424395373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424460903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907194 + ... + 2907339.

It is an arithmetic number, because the mean of its divisors is an integer number (107568879).

Almost surely, 2^424460909 is an apocalyptic number.

It is an amenable number.

424460909 is a deficient number, since it is larger than the sum of its proper divisors (5814607).

424460909 is an equidigital number, since it uses as much as digits as its factorization.

424460909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814606.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 424460909 is about 20602.4491019879. The cubic root of 424460909 is about 751.5292701761.

The spelling of 424460909 in words is "four hundred twenty-four million, four hundred sixty thousand, nine hundred nine".