471449669 has 4 divisors (see below), whose sum is σ = 473202540. Its totient is φ = 469696800.

The previous prime is 471449659. The next prime is 471449701. The reversal of 471449669 is 966944174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260822500 + 210627169 = 16150^2 + 14513^2 .

It is a cyclic number.

It is not a de Polignac number, because 471449669 - 2¹² = 471445573 is a prime.

It is a super-2 number, since 2×471449669² = 444529580800419122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471449609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876032 + ... + 876569.

It is an arithmetic number, because the mean of its divisors is an integer number (118300635).

Almost surely, 2^471449669 is an apocalyptic number.

It is an amenable number.

471449669 is a deficient number, since it is larger than the sum of its proper divisors (1752871).

471449669 is a wasteful number, since it uses less digits than its factorization.

471449669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752870.

The product of its digits is 1306368, while the sum is 50.

The square root of 471449669 is about 21712.8917696377. The cubic root of 471449669 is about 778.2965614498.

The spelling of 471449669 in words is "four hundred seventy-one million, four hundred forty-nine thousand, six hundred sixty-nine".