469045681 has 8 divisors (see below), whose sum is σ = 522544680. Its totient is φ = 418035072.

The previous prime is 469045679. The next prime is 469045721. The reversal of 469045681 is 186540964.

It can be written as a sum of positive squares in 4 ways, for example, as 10400625 + 458645056 = 3225^2 + 21416^2 .

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

It is not a de Polignac number, because 469045681 - 2¹ = 469045679 is a prime.

It is a super-2 number, since 2×469045681² = 440007701729507522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469045651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621700 + ... + 622453.

It is an arithmetic number, because the mean of its divisors is an integer number (65318085).

Almost surely, 2^469045681 is an apocalyptic number.

It is an amenable number.

469045681 is a deficient number, since it is larger than the sum of its proper divisors (53498999).

469045681 is a wasteful number, since it uses less digits than its factorization.

469045681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244195.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 469045681 is about 21657.4624783237. The cubic root of 469045681 is about 776.9714254225.

The spelling of 469045681 in words is "four hundred sixty-nine million, forty-five thousand, six hundred eighty-one".