468397809 has 28 divisors (see below), whose sum is σ = 766131792. Its totient is φ = 283872600.

The previous prime is 468397789. The next prime is 468397841. The reversal of 468397809 is 908793864.

It is not a de Polignac number, because 468397809 - 2¹¹ = 468395761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (468397849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21187 + ... + 37224.

Almost surely, 2^468397809 is an apocalyptic number.

It is an amenable number.

468397809 is a deficient number, since it is larger than the sum of its proper divisors (297733983).

468397809 is an equidigital number, since it uses as much as digits as its factorization.

468397809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58440 (or 58425 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 468397809 is about 21642.5000635324. The cubic root of 468397809 is about 776.6135285308.

The spelling of 468397809 in words is "four hundred sixty-eight million, three hundred ninety-seven thousand, eight hundred nine".