229604450809 has 2 divisors, whose sum is σ = 229604450810. Its totient is φ = 229604450808.

The previous prime is 229604450783. The next prime is 229604450843. The reversal of 229604450809 is 908054406922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183667959225 + 45936491584 = 428565^2 + 214328^2 .

It is a cyclic number.

It is not a de Polignac number, because 229604450809 - 2¹¹ = 229604448761 is a prime.

It is not a weakly prime, because it can be changed into another prime (229604450879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114802225404 + 114802225405.

It is an arithmetic number, because the mean of its divisors is an integer number (114802225405).

Almost surely, 2^229604450809 is an apocalyptic number.

It is an amenable number.

229604450809 is a deficient number, since it is larger than the sum of its proper divisors (1).

229604450809 is an equidigital number, since it uses as much as digits as its factorization.

229604450809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 229604450809 in words is "two hundred twenty-nine billion, six hundred four million, four hundred fifty thousand, eight hundred nine".