447744324769 has 27 divisors (see below), whose sum is σ = 553384053747. Its totient is φ = 361141268544.

The previous prime is 447744324761. The next prime is 447744324787. The reversal of 447744324769 is 967423447744.

The square root of 447744324769 is 669137.

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

It can be written as a sum of positive squares in only one way, i.e., 348589872225 + 99154452544 = 590415^2 + 314888^2 .

It is not a de Polignac number, because 447744324769 - 2³ = 447744324761 is a prime.

It is a super-2 number, since 2×447744324769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447744324761) 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, 79624492 + ... + 79630114.

Almost surely, 2^447744324769 is an apocalyptic number.

447744324769 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

447744324769 is the 669137-th square number.

447744324769 is the 334569-th centered octagonal number.

It is an amenable number.

447744324769 is a deficient number, since it is larger than the sum of its proper divisors (105639728978).

447744324769 is an frugal number, since it uses more digits than its factorization.

447744324769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294 (or 5647 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 61.

The spelling of 447744324769 in words is "four hundred forty-seven billion, seven hundred forty-four million, three hundred twenty-four thousand, seven hundred sixty-nine".