683389386406 has 8 divisors (see below), whose sum is σ = 1025087605344. Its totient is φ = 341693517960.

The previous prime is 683389386403. The next prime is 683389386413. The reversal of 683389386406 is 604683983386.

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

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 3 ways as a sum of consecutive naturals, for example, 731331 + ... + 1378993.

It is an arithmetic number, because the mean of its divisors is an integer number (128135950668).

Almost surely, 2^683389386406 is an apocalyptic number.

683389386406 is a deficient number, since it is larger than the sum of its proper divisors (341698218938).

683389386406 is a wasteful number, since it uses less digits than its factorization.

683389386406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175246.

The product of its (nonzero) digits is 107495424, while the sum is 64.

The spelling of 683389386406 in words is "six hundred eighty-three billion, three hundred eighty-nine million, three hundred eighty-six thousand, four hundred six".