465550409 has 4 divisors (see below), whose sum is σ = 468338304. Its totient is φ = 462762516.

The previous prime is 465550381. The next prime is 465550411. The reversal of 465550409 is 904055564.

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 a de Polignac number, because none of the positive numbers 2^k-465550409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465550489) 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 3 ways as a sum of consecutive naturals, for example, 1393697 + ... + 1394030.

It is an arithmetic number, because the mean of its divisors is an integer number (117084576).

Almost surely, 2^465550409 is an apocalyptic number.

It is an amenable number.

465550409 is a deficient number, since it is larger than the sum of its proper divisors (2787895).

465550409 is a wasteful number, since it uses less digits than its factorization.

465550409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787894.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 465550409 is about 21576.6171815695. The cubic root of 465550409 is about 775.0366456484.

The spelling of 465550409 in words is "four hundred sixty-five million, five hundred fifty thousand, four hundred nine".