424148609 has 4 divisors (see below), whose sum is σ = 446472240. Its totient is φ = 401824980.

The previous prime is 424148597. The next prime is 424148611. The reversal of 424148609 is 906841424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424148609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424148639) 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, 11161787 + ... + 11161824.

It is an arithmetic number, because the mean of its divisors is an integer number (111618060).

Almost surely, 2^424148609 is an apocalyptic number.

It is an amenable number.

424148609 is a deficient number, since it is larger than the sum of its proper divisors (22323631).

424148609 is a wasteful number, since it uses less digits than its factorization.

424148609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22323630.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 424148609 is about 20594.8685113550. The cubic root of 424148609 is about 751.3449106972.

The spelling of 424148609 in words is "four hundred twenty-four million, one hundred forty-eight thousand, six hundred nine".