447043343769 has 27 divisors (see below), whose sum is σ = 709803574207. Its totient is φ = 270921987600.

The previous prime is 447043343731. The next prime is 447043343801. The reversal of 447043343769 is 967343340744.

The square root of 447043343769 is 668613.

It is a perfect power (a square), and thus also a powerful number.

447043343769 is a `hidden beast` number, since 44 + 70 + 43 + 3 + 437 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5323599369 + 441719744400 = 72963^2 + 664620^2 .

It is not a de Polignac number, because 447043343769 - 2¹⁷ = 447043212697 is a prime.

It is a super-2 number, since 2×447043343769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447043343729) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22054099 + ... + 22074359.

Almost surely, 2^447043343769 is an apocalyptic number.

447043343769 is the 668613-rd square number.

447043343769 is the 334307-th centered octagonal number.

It is an amenable number.

447043343769 is a deficient number, since it is larger than the sum of its proper divisors (262760230438).

447043343769 is an frugal number, since it uses more digits than its factorization.

447043343769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40550 (or 20275 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 54.

The spelling of 447043343769 in words is "four hundred forty-seven billion, forty-three million, three hundred forty-three thousand, seven hundred sixty-nine".