469668638 has 8 divisors (see below), whose sum is σ = 741582120. Its totient is φ = 222474600.

The previous prime is 469668623. The next prime is 469668643. The reversal of 469668638 is 836866964.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 6179813 + ... + 6179888.

It is an arithmetic number, because the mean of its divisors is an integer number (92697765).

Almost surely, 2^469668638 is an apocalyptic number.

469668638 is a deficient number, since it is larger than the sum of its proper divisors (271913482).

469668638 is a wasteful number, since it uses less digits than its factorization.

469668638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359722.

The product of its digits is 8957952, while the sum is 56.

The square root of 469668638 is about 21671.8397465467. The cubic root of 469668638 is about 777.3152481277.

The spelling of 469668638 in words is "four hundred sixty-nine million, six hundred sixty-eight thousand, six hundred thirty-eight".