464263609 has 4 divisors (see below), whose sum is σ = 467112016. Its totient is φ = 461415204.

The previous prime is 464263573. The next prime is 464263627. The reversal of 464263609 is 906362464.

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 464263609 - 2⁹ = 464263097 is a prime.

It is a super-3 number, since 3×464263609³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464263649) 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, 1423959 + ... + 1424284.

It is an arithmetic number, because the mean of its divisors is an integer number (116778004).

Almost surely, 2^464263609 is an apocalyptic number.

It is an amenable number.

464263609 is a deficient number, since it is larger than the sum of its proper divisors (2848407).

464263609 is a wasteful number, since it uses less digits than its factorization.

464263609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848406.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 464263609 is about 21546.7772300175. Note that the first 3 decimals coincide. The cubic root of 464263609 is about 774.3219092670.

The spelling of 464263609 in words is "four hundred sixty-four million, two hundred sixty-three thousand, six hundred nine".