6328408747 has 4 divisors (see below), whose sum is σ = 6328649160. Its totient is φ = 6328168336.

The previous prime is 6328408703. The next prime is 6328408783. The reversal of 6328408747 is 7478048236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6328408747 - 2¹⁵ = 6328375979 is a prime.

It is a super-2 number, since 2×6328408747² = 80097514538212220018, which contains 22 as substring.

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 6328408747.

It is not an unprimeable number, because it can be changed into a prime (6328408447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75073 + ... + 135250.

It is an arithmetic number, because the mean of its divisors is an integer number (1582162290).

Almost surely, 2^6328408747 is an apocalyptic number.

6328408747 is a deficient number, since it is larger than the sum of its proper divisors (240413).

6328408747 is a wasteful number, since it uses less digits than its factorization.

6328408747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240412.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 6328408747 is about 79551.2963250757. The cubic root of 6328408747 is about 1849.6867009753.

The spelling of 6328408747 in words is "six billion, three hundred twenty-eight million, four hundred eight thousand, seven hundred forty-seven".