682686630447 has 4 divisors (see below), whose sum is σ = 910248840600. Its totient is φ = 455124420296.

The previous prime is 682686630427. The next prime is 682686630449. The reversal of 682686630447 is 744036686286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 682686630447 - 2¹⁰ = 682686629423 is a prime.

It is a super-2 number, since 2×682686630447² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682686630449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113781105072 + ... + 113781105077.

It is an arithmetic number, because the mean of its divisors is an integer number (227562210150).

Almost surely, 2^682686630447 is an apocalyptic number.

682686630447 is a deficient number, since it is larger than the sum of its proper divisors (227562210153).

682686630447 is a wasteful number, since it uses less digits than its factorization.

682686630447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227562210152.

The product of its (nonzero) digits is 55738368, while the sum is 60.

The spelling of 682686630447 in words is "six hundred eighty-two billion, six hundred eighty-six million, six hundred thirty thousand, four hundred forty-seven".