6648633347 has 4 divisors (see below), whose sum is σ = 6657416976. Its totient is φ = 6639849720.

The previous prime is 6648633323. The next prime is 6648633367. The reversal of 6648633347 is 7433368466.

It is a happy number.

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 6648633347 - 2³⁰ = 5574891523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6648633295 and 6648633304.

It is not an unprimeable number, because it can be changed into a prime (6648633317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390679 + ... + 4392192.

It is an arithmetic number, because the mean of its divisors is an integer number (1664354244).

Almost surely, 2^6648633347 is an apocalyptic number.

6648633347 is a deficient number, since it is larger than the sum of its proper divisors (8783629).

6648633347 is an equidigital number, since it uses as much as digits as its factorization.

6648633347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783628.

The product of its digits is 5225472, while the sum is 50.

The square root of 6648633347 is about 81539.1522337582. The cubic root of 6648633347 is about 1880.3735249783.

The spelling of 6648633347 in words is "six billion, six hundred forty-eight million, six hundred thirty-three thousand, three hundred forty-seven".