424337609 has 2 divisors, whose sum is σ = 424337610. Its totient is φ = 424337608.

The previous prime is 424337593. The next prime is 424337653. The reversal of 424337609 is 906733424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397005625 + 27331984 = 19925^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 424337609 - 2⁴ = 424337593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424337509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212168804 + 212168805.

It is an arithmetic number, because the mean of its divisors is an integer number (212168805).

Almost surely, 2^424337609 is an apocalyptic number.

It is an amenable number.

424337609 is a deficient number, since it is larger than the sum of its proper divisors (1).

424337609 is an equidigital number, since it uses as much as digits as its factorization.

424337609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 424337609 is about 20599.4565219571. The cubic root of 424337609 is about 751.4564935230.

The spelling of 424337609 in words is "four hundred twenty-four million, three hundred thirty-seven thousand, six hundred nine".