683389386407 has 32 divisors (see below), whose sum is σ = 890666929152. Its totient is φ = 508842653184.

The previous prime is 683389386403. The next prime is 683389386413. The reversal of 683389386407 is 704683983386.

It is a cyclic number.

It is not a de Polignac number, because 683389386407 - 2² = 683389386403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683389386403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19448348 + ... + 19483454.

It is an arithmetic number, because the mean of its divisors is an integer number (27833341536).

Almost surely, 2^683389386407 is an apocalyptic number.

683389386407 is a deficient number, since it is larger than the sum of its proper divisors (207277542745).

683389386407 is a wasteful number, since it uses less digits than its factorization.

683389386407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47727.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 683389386407 in words is "six hundred eighty-three billion, three hundred eighty-nine million, three hundred eighty-six thousand, four hundred seven".