3993109448 has 16 divisors (see below), whose sum is σ = 7488124380. Its totient is φ = 1996276288.

The previous prime is 3993109399. The next prime is 3993109457. The reversal of 3993109448 is 8449013993.

It can be written as a sum of positive squares in 2 ways, for example, as 2935689124 + 1057420324 = 54182^2 + 32518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3993109396 and 3993109405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34190 + ... + 95682.

Almost surely, 2^3993109448 is an apocalyptic number.

It is an amenable number.

3993109448 is a deficient number, since it is larger than the sum of its proper divisors (3495014932).

3993109448 is a wasteful number, since it uses less digits than its factorization.

3993109448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69616 (or 69612 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 3993109448 is about 63191.0551264971. The cubic root of 3993109448 is about 1586.4890222774.

The spelling of 3993109448 in words is "three billion, nine hundred ninety-three million, one hundred nine thousand, four hundred forty-eight".