465629509 has 4 divisors (see below), whose sum is σ = 465703020. Its totient is φ = 465556000.

The previous prime is 465629491. The next prime is 465629513. The reversal of 465629509 is 905926564.

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 305480484 + 160149025 = 17478^2 + 12655^2 .

It is a cyclic number.

It is not a de Polignac number, because 465629509 - 2¹⁵ = 465596741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465629519) 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, 26254 + ... + 40255.

It is an arithmetic number, because the mean of its divisors is an integer number (116425755).

Almost surely, 2^465629509 is an apocalyptic number.

It is an amenable number.

465629509 is a deficient number, since it is larger than the sum of its proper divisors (73511).

465629509 is an equidigital number, since it uses as much as digits as its factorization.

465629509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73510.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 465629509 is about 21578.4501065299. The cubic root of 465629509 is about 775.0805377281.

The spelling of 465629509 in words is "four hundred sixty-five million, six hundred twenty-nine thousand, five hundred nine".