683647604605 has 48 divisors (see below), whose sum is σ = 958640996736. Its totient is φ = 458480292480.

The previous prime is 683647604561. The next prime is 683647604611. The reversal of 683647604605 is 506406746386.

It is not a de Polignac number, because 683647604605 - 2³¹ = 681500120957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155478267 + ... + 155482663.

It is an arithmetic number, because the mean of its divisors is an integer number (19971687432).

Almost surely, 2^683647604605 is an apocalyptic number.

It is an amenable number.

683647604605 is a deficient number, since it is larger than the sum of its proper divisors (274993392131).

683647604605 is a wasteful number, since it uses less digits than its factorization.

683647604605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 683647604605 in words is "six hundred eighty-three billion, six hundred forty-seven million, six hundred four thousand, six hundred five".