3954443922875 has 8 divisors (see below), whose sum is σ = 4935146015904. Its totient is φ = 3163555138200.

The previous prime is 3954443922853. The next prime is 3954443922901. The reversal of 3954443922875 is 5782293444593.

It is not a de Polignac number, because 3954443922875 - 2¹⁰ = 3954443921851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15817775567 + ... + 15817775816.

It is an arithmetic number, because the mean of its divisors is an integer number (616893251988).

Almost surely, 2^{3954443922875} is an apocalyptic number.

3954443922875 is a deficient number, since it is larger than the sum of its proper divisors (980702093029).

3954443922875 is an equidigital number, since it uses as much as digits as its factorization.

3954443922875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31635551398 (or 31635551388 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 65.

The spelling of 3954443922875 in words is "three trillion, nine hundred fifty-four billion, four hundred forty-three million, nine hundred twenty-two thousand, eight hundred seventy-five".