42334609 has 2 divisors, whose sum is σ = 42334610. Its totient is φ = 42334608.

The previous prime is 42334601. The next prime is 42334631. The reversal of 42334609 is 90643324.

42334609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31674384 + 10660225 = 5628^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334609 - 2³ = 42334601 is a prime.

It is not a weakly prime, because it can be changed into another prime (42334601) 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, 21167304 + 21167305.

It is an arithmetic number, because the mean of its divisors is an integer number (21167305).

Almost surely, 2^42334609 is an apocalyptic number.

It is an amenable number.

42334609 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334609 is an equidigital number, since it uses as much as digits as its factorization.

42334609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 42334609 is about 6506.5051294839. The cubic root of 42334609 is about 348.5233268797.

The spelling of 42334609 in words is "forty-two million, three hundred thirty-four thousand, six hundred nine".