465674809 has 4 divisors (see below), whose sum is σ = 468247780. Its totient is φ = 463101840.

The previous prime is 465674773. The next prime is 465674831. The reversal of 465674809 is 908476564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10791225 + 454883584 = 3285^2 + 21328^2 .

It is a cyclic number.

It is not a de Polignac number, because 465674809 - 2⁷ = 465674681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465674899) 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, 1286214 + ... + 1286575.

It is an arithmetic number, because the mean of its divisors is an integer number (117061945).

Almost surely, 2^465674809 is an apocalyptic number.

It is an amenable number.

465674809 is a deficient number, since it is larger than the sum of its proper divisors (2572971).

465674809 is a wasteful number, since it uses less digits than its factorization.

465674809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572970.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 465674809 is about 21579.4997393359. The cubic root of 465674809 is about 775.1056721673.

The spelling of 465674809 in words is "four hundred sixty-five million, six hundred seventy-four thousand, eight hundred nine".