609534449 has 2 divisors, whose sum is σ = 609534450. Its totient is φ = 609534448.

The previous prime is 609534437. The next prime is 609534481. The reversal of 609534449 is 944435906.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459030625 + 150503824 = 21425^2 + 12268^2 .

It is a cyclic number.

It is not a de Polignac number, because 609534449 - 2¹² = 609530353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (609534049) 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, 304767224 + 304767225.

It is an arithmetic number, because the mean of its divisors is an integer number (304767225).

Almost surely, 2^609534449 is an apocalyptic number.

It is an amenable number.

609534449 is a deficient number, since it is larger than the sum of its proper divisors (1).

609534449 is an equidigital number, since it uses as much as digits as its factorization.

609534449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 609534449 is about 24688.7514670143. The cubic root of 609534449 is about 847.8767996415.

The spelling of 609534449 in words is "six hundred nine million, five hundred thirty-four thousand, four hundred forty-nine".