648684003653 has 8 divisors (see below), whose sum is σ = 741411636672. Its totient is φ = 555970993056.

The previous prime is 648684003641. The next prime is 648684003677. The reversal of 648684003653 is 356300486846.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648684003653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648684003595 and 648684003604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648684006653) 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, 3560375 + ... + 3738132.

It is an arithmetic number, because the mean of its divisors is an integer number (92676454584).

Almost surely, 2^648684003653 is an apocalyptic number.

It is an amenable number.

648684003653 is a deficient number, since it is larger than the sum of its proper divisors (92727633019).

648684003653 is a wasteful number, since it uses less digits than its factorization.

648684003653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311211.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 648684003653 in words is "six hundred forty-eight billion, six hundred eighty-four million, three thousand, six hundred fifty-three".