447965025925 has 12 divisors (see below), whose sum is σ = 555904950436. Its totient is φ = 358095686400.

The previous prime is 447965025887. The next prime is 447965025929. The reversal of 447965025925 is 529520569744.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 97217992804 + 350747033121 = 311798^2 + 592239^2 .

It is not a de Polignac number, because 447965025925 - 2²¹ = 447962928773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447965025925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447965025929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6875286 + ... + 6940135.

Almost surely, 2^447965025925 is an apocalyptic number.

It is an amenable number.

447965025925 is a deficient number, since it is larger than the sum of its proper divisors (107939924511).

447965025925 is a wasteful number, since it uses less digits than its factorization.

447965025925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816728 (or 13816723 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 447965025925 in words is "four hundred forty-seven billion, nine hundred sixty-five million, twenty-five thousand, nine hundred twenty-five".