684363363486 has 96 divisors (see below), whose sum is σ = 1599333724800. Its totient is φ = 194522328000.

The previous prime is 684363363449. The next prime is 684363363511.

684363363486 is nontrivially palindromic in base 10.

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, 1147585 + ... + 1638803.

It is an arithmetic number, because the mean of its divisors is an integer number (16659726300).

Almost surely, 2^684363363486 is an apocalyptic number.

684363363486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 684363363486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799666862400).

684363363486 is an abundant number, since it is smaller than the sum of its proper divisors (914970361314).

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

684363363486 is a wasteful number, since it uses less digits than its factorization.

684363363486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491366 (or 491355 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 60.

The spelling of 684363363486 in words is "six hundred eighty-four billion, three hundred sixty-three million, three hundred sixty-three thousand, four hundred eighty-six".