683943349386 has 64 divisors (see below), whose sum is σ = 1505979288576. Its totient is φ = 205355280000.

The previous prime is 683943349367. The next prime is 683943349423.

683943349386 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3350761 + ... + 3549011.

It is an arithmetic number, because the mean of its divisors is an integer number (23530926384).

Almost surely, 2^683943349386 is an apocalyptic number.

683943349386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

683943349386 is an abundant number, since it is smaller than the sum of its proper divisors (822035939190).

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

683943349386 is a wasteful number, since it uses less digits than its factorization.

683943349386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198747.

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

The spelling of 683943349386 in words is "six hundred eighty-three billion, nine hundred forty-three million, three hundred forty-nine thousand, three hundred eighty-six".