6338128347 has 6 divisors (see below), whose sum is σ = 9155074292. Its totient is φ = 4225418892.

The previous prime is 6338128333. The next prime is 6338128351. The reversal of 6338128347 is 7438218336.

6338128347 is a `hidden beast` number, since 633 + 8 + 1 + 2 + 8 + 3 + 4 + 7 = 666.

It is not a de Polignac number, because 6338128347 - 2¹¹ = 6338126299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6338128327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352118233 + ... + 352118250.

Almost surely, 2^6338128347 is an apocalyptic number.

6338128347 is a deficient number, since it is larger than the sum of its proper divisors (2816945945).

6338128347 is a wasteful number, since it uses less digits than its factorization.

6338128347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704236489 (or 704236486 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 6338128347 is about 79612.3630286151. The cubic root of 6338128347 is about 1850.6331747450.

The spelling of 6338128347 in words is "six billion, three hundred thirty-eight million, one hundred twenty-eight thousand, three hundred forty-seven".