683394493386 has 32 divisors (see below), whose sum is σ = 1491148071936. Its totient is φ = 207074582000.

The previous prime is 683394493373. The next prime is 683394493387.

683394493386 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (683394493387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591871 + ... + 1310381.

It is an arithmetic number, because the mean of its divisors is an integer number (46598377248).

Almost surely, 2^683394493386 is an apocalyptic number.

683394493386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

683394493386 is an abundant number, since it is smaller than the sum of its proper divisors (807753578550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683394493386 is a wasteful number, since it uses less digits than its factorization.

683394493386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732938.

The product of its digits is 241864704, while the sum is 66.

The spelling of 683394493386 in words is "six hundred eighty-three billion, three hundred ninety-four million, four hundred ninety-three thousand, three hundred eighty-six".