646653041713 has 8 divisors (see below), whose sum is σ = 746207116928. Its totient is φ = 548892733824.

The previous prime is 646653041701. The next prime is 646653041729. The reversal of 646653041713 is 317140356646.

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

It is a cyclic number.

It is not a de Polignac number, because 646653041713 - 2⁹ = 646653041201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (646653042713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448441056 + ... + 448442497.

It is an arithmetic number, because the mean of its divisors is an integer number (93275889616).

Almost surely, 2^646653041713 is an apocalyptic number.

It is an amenable number.

646653041713 is a deficient number, since it is larger than the sum of its proper divisors (99554075215).

646653041713 is a wasteful number, since it uses less digits than its factorization.

646653041713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896883663.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 646653041713 in words is "six hundred forty-six billion, six hundred fifty-three million, forty-one thousand, seven hundred thirteen".