647448683 has 8 divisors (see below), whose sum is σ = 747268320. Its totient is φ = 549460800.

The previous prime is 647448649. The next prime is 647448691. The reversal of 647448683 is 386844746.

647448683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 647448683 - 2⁶ = 647448619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647408683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457178 + ... + 458591.

It is an arithmetic number, because the mean of its divisors is an integer number (93408540).

Almost surely, 2^647448683 is an apocalyptic number.

647448683 is a deficient number, since it is larger than the sum of its proper divisors (99819637).

647448683 is a wasteful number, since it uses less digits than its factorization.

647448683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915877.

The product of its digits is 3096576, while the sum is 50.

The square root of 647448683 is about 25445.0129298454. The cubic root of 647448683 is about 865.1042599890.

The spelling of 647448683 in words is "six hundred forty-seven million, four hundred forty-eight thousand, six hundred eighty-three".