684842248486 has 32 divisors (see below), whose sum is σ = 1125168599808. Its totient is φ = 310037574240.

The previous prime is 684842248469. The next prime is 684842248513.

684842248486 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×684842248486² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 31852756 + ... + 31874248.

It is an arithmetic number, because the mean of its divisors is an integer number (35161518744).

Almost surely, 2^684842248486 is an apocalyptic number.

684842248486 is a deficient number, since it is larger than the sum of its proper divisors (440326351322).

684842248486 is a wasteful number, since it uses less digits than its factorization.

684842248486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276.

The product of its digits is 150994944, while the sum is 64.

The spelling of 684842248486 in words is "six hundred eighty-four billion, eight hundred forty-two million, two hundred forty-eight thousand, four hundred eighty-six".