441343649569 has 9 divisors (see below), whose sum is σ = 444931216401. Its totient is φ = 437784796260.

The previous prime is 441343649543. The next prime is 441343649609. The reversal of 441343649569 is 965946343144.

The square root of 441343649569 is 664337.

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

It is not a de Polignac number, because 441343649569 - 2²⁷ = 441209431841 is a prime.

It is a super-2 number, since 2×441343649569² (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 (441343649519) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84368184 + ... + 84373414.

Almost surely, 2^441343649569 is an apocalyptic number.

441343649569 is the 664337-th square number.

441343649569 is the 332169-th centered octagonal number.

It is an amenable number.

441343649569 is a deficient number, since it is larger than the sum of its proper divisors (3587566832).

441343649569 is an frugal number, since it uses more digits than its factorization.

441343649569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716 (or 5358 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 58.

The spelling of 441343649569 in words is "four hundred forty-one billion, three hundred forty-three million, six hundred forty-nine thousand, five hundred sixty-nine".