447503467849 has 9 divisors (see below), whose sum is σ = 448681917621. Its totient is φ = 446328110400.

The previous prime is 447503467841. The next prime is 447503467897. The reversal of 447503467849 is 948764305744.

The square root of 447503467849 is 668957.

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

It can be written as a sum of positive squares in 4 ways, for example, as 397296999225 + 50206468624 = 630315^2 + 224068^2 .

It is not a de Polignac number, because 447503467849 - 2³ = 447503467841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447503467841) 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, 372608449 + ... + 372609649.

Almost surely, 2^447503467849 is an apocalyptic number.

447503467849 is the 668957-th square number.

447503467849 is the 334479-th centered octagonal number.

It is an amenable number.

447503467849 is a deficient number, since it is larger than the sum of its proper divisors (1178449772).

447503467849 is an frugal number, since it uses more digits than its factorization.

447503467849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 447503467849 in words is "four hundred forty-seven billion, five hundred three million, four hundred sixty-seven thousand, eight hundred forty-nine".