478913469 has 8 divisors (see below), whose sum is σ = 638769120. Its totient is φ = 319166736.

The previous prime is 478913467. The next prime is 478913471. The reversal of 478913469 is 964319874.

It is an interprime number because it is at equal distance from previous prime (478913467) and next prime (478913471).

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

It is not a de Polignac number, because 478913469 - 2¹ = 478913467 is a prime.

It is a super-2 number, since 2×478913469² = 458716221579227922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478913467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16347 + ... + 35000.

It is an arithmetic number, because the mean of its divisors is an integer number (79846140).

Almost surely, 2^478913469 is an apocalyptic number.

It is an amenable number.

478913469 is a deficient number, since it is larger than the sum of its proper divisors (159855651).

478913469 is a wasteful number, since it uses less digits than its factorization.

478913469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54459.

The product of its digits is 1306368, while the sum is 51.

The square root of 478913469 is about 21884.0916877992. The cubic root of 478913469 is about 782.3823006496.

It can be divided in two parts, 47891 and 3469, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 478913469 in words is "four hundred seventy-eight million, nine hundred thirteen thousand, four hundred sixty-nine".