463875809 has 4 divisors (see below), whose sum is σ = 463932720. Its totient is φ = 463818900.

The previous prime is 463875803. The next prime is 463875827. The reversal of 463875809 is 908578364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 463875809 - 2⁸ = 463875553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (463875803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13667 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (115983180).

Almost surely, 2^463875809 is an apocalyptic number.

It is an amenable number.

463875809 is a deficient number, since it is larger than the sum of its proper divisors (56911).

463875809 is an equidigital number, since it uses as much as digits as its factorization.

463875809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56910.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 463875809 is about 21537.7763244027. The cubic root of 463875809 is about 774.1062518416.

The spelling of 463875809 in words is "four hundred sixty-three million, eight hundred seventy-five thousand, eight hundred nine".