424196609 has 2 divisors, whose sum is σ = 424196610. Its totient is φ = 424196608.

The previous prime is 424196569. The next prime is 424196627. The reversal of 424196609 is 906691424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244234384 + 179962225 = 15628^2 + 13415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424196609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424196309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212098304 + 212098305.

It is an arithmetic number, because the mean of its divisors is an integer number (212098305).

Almost surely, 2^424196609 is an apocalyptic number.

It is an amenable number.

424196609 is a deficient number, since it is larger than the sum of its proper divisors (1).

424196609 is an equidigital number, since it uses as much as digits as its factorization.

424196609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 424196609 is about 20596.0338172183. The cubic root of 424196609 is about 751.3732523324.

The spelling of 424196609 in words is "four hundred twenty-four million, one hundred ninety-six thousand, six hundred nine".