43968447625 has 16 divisors (see below), whose sum is σ = 54936340992. Its totient is φ = 35133913200.

The previous prime is 43968447581. The next prime is 43968447631. The reversal of 43968447625 is 52674486934.

It is a de Polignac number, because none of the positive numbers 2^k-43968447625 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 43968447625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95919 + ... + 311668.

It is an arithmetic number, because the mean of its divisors is an integer number (3433521312).

Almost surely, 2^43968447625 is an apocalyptic number.

It is an amenable number.

43968447625 is a deficient number, since it is larger than the sum of its proper divisors (10967893367).

43968447625 is an equidigital number, since it uses as much as digits as its factorization.

43968447625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408465 (or 408455 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 58.

The spelling of 43968447625 in words is "forty-three billion, nine hundred sixty-eight million, four hundred forty-seven thousand, six hundred twenty-five".