6393956056 has 8 divisors (see below), whose sum is σ = 11988667620. Its totient is φ = 3196978024.

The previous prime is 6393956039. The next prime is 6393956069. The reversal of 6393956056 is 6506593936.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6393955994 and 6393956012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399622246 + ... + 399622261.

Almost surely, 2^6393956056 is an apocalyptic number.

It is an amenable number.

6393956056 is a deficient number, since it is larger than the sum of its proper divisors (5594711564).

6393956056 is a wasteful number, since it uses less digits than its factorization.

6393956056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799244513 (or 799244509 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 52.

The square root of 6393956056 is about 79962.2164275103. The cubic root of 6393956056 is about 1856.0509013921.

The spelling of 6393956056 in words is "six billion, three hundred ninety-three million, nine hundred fifty-six thousand, fifty-six".