469664999 has 4 divisors (see below), whose sum is σ = 473250360. Its totient is φ = 466079640.

The previous prime is 469664953. The next prime is 469665011. The reversal of 469664999 is 999466964.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 469664999 - 2²⁸ = 201229543 is a prime.

It is a super-2 number, since 2×469664999² = 441170422571340002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469664099) 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, 1792484 + ... + 1792745.

It is an arithmetic number, because the mean of its divisors is an integer number (118312590).

Almost surely, 2^469664999 is an apocalyptic number.

469664999 is a deficient number, since it is larger than the sum of its proper divisors (3585361).

469664999 is a wasteful number, since it uses less digits than its factorization.

469664999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585360.

The product of its digits is 22674816, while the sum is 62.

The square root of 469664999 is about 21671.7557895063. The cubic root of 469664999 is about 777.3132405723.

The spelling of 469664999 in words is "four hundred sixty-nine million, six hundred sixty-four thousand, nine hundred ninety-nine".