463638009 has 8 divisors (see below), whose sum is σ = 634891840. Its totient is φ = 300738096.

The previous prime is 463637971. The next prime is 463638029. The reversal of 463638009 is 900836364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 463638009 - 2¹¹ = 463635961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463638029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088349 + ... + 2088570.

It is an arithmetic number, because the mean of its divisors is an integer number (79361480).

Almost surely, 2^463638009 is an apocalyptic number.

It is an amenable number.

463638009 is a deficient number, since it is larger than the sum of its proper divisors (171253831).

463638009 is a wasteful number, since it uses less digits than its factorization.

463638009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176959.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 463638009 is about 21532.2550839433. The cubic root of 463638009 is about 773.9739506754.

The spelling of 463638009 in words is "four hundred sixty-three million, six hundred thirty-eight thousand, nine".