468887409 has 6 divisors (see below), whose sum is σ = 677281826. Its totient is φ = 312591600.

The previous prime is 468887389. The next prime is 468887413. The reversal of 468887409 is 904788864.

It can be written as a sum of positive squares in only one way, i.e., 340291809 + 128595600 = 18447^2 + 11340^2 .

It is not a de Polignac number, because 468887409 - 2⁹ = 468886897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (468889409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26049292 + ... + 26049309.

Almost surely, 2^468887409 is an apocalyptic number.

It is an amenable number.

468887409 is a deficient number, since it is larger than the sum of its proper divisors (208394417).

468887409 is a wasteful number, since it uses less digits than its factorization.

468887409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52098607 (or 52098604 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 468887409 is about 21653.8081870141. The cubic root of 468887409 is about 776.8840233771.

The spelling of 468887409 in words is "four hundred sixty-eight million, eight hundred eighty-seven thousand, four hundred nine".