469856889 has 8 divisors (see below), whose sum is σ = 696084320. Its totient is φ = 313237908.

The previous prime is 469856887. The next prime is 469856917. The reversal of 469856889 is 988658964.

469856889 is a `hidden beast` number, since 4 + 69 + 8 + 568 + 8 + 9 = 666.

It is not a de Polignac number, because 469856889 - 2¹ = 469856887 is a prime.

It is a super-2 number, since 2×469856889² = 441530992281516642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469856887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701027 + ... + 8701080.

It is an arithmetic number, because the mean of its divisors is an integer number (87010540).

Almost surely, 2^469856889 is an apocalyptic number.

It is an amenable number.

469856889 is a deficient number, since it is larger than the sum of its proper divisors (226227431).

469856889 is a wasteful number, since it uses less digits than its factorization.

469856889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17402116 (or 17402110 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 469856889 is about 21676.1825282959. The cubic root of 469856889 is about 777.4190878811.

The spelling of 469856889 in words is "four hundred sixty-nine million, eight hundred fifty-six thousand, eight hundred eighty-nine".