458344609 has 2 divisors, whose sum is σ = 458344610. Its totient is φ = 458344608.

The previous prime is 458344603. The next prime is 458344669. The reversal of 458344609 is 906443854.

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., 326163600 + 132181009 = 18060^2 + 11497^2 .

It is a cyclic number.

It is not a de Polignac number, because 458344609 - 2¹⁷ = 458213537 is a prime.

It is not a weakly prime, because it can be changed into another prime (458344603) 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, 229172304 + 229172305.

It is an arithmetic number, because the mean of its divisors is an integer number (229172305).

Almost surely, 2^458344609 is an apocalyptic number.

It is an amenable number.

458344609 is a deficient number, since it is larger than the sum of its proper divisors (1).

458344609 is an equidigital number, since it uses as much as digits as its factorization.

458344609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 458344609 is about 21408.9843056601. The cubic root of 458344609 is about 771.0171574746.

The spelling of 458344609 in words is "four hundred fifty-eight million, three hundred forty-four thousand, six hundred nine".