681486814 has 8 divisors (see below), whose sum is σ = 1022737680. Its totient is φ = 340574256.

The previous prime is 681486811. The next prime is 681486823. The reversal of 681486814 is 418684186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681486811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79479 + ... + 87634.

It is an arithmetic number, because the mean of its divisors is an integer number (127842210).

Almost surely, 2^681486814 is an apocalyptic number.

681486814 is a deficient number, since it is larger than the sum of its proper divisors (341250866).

681486814 is a wasteful number, since it uses less digits than its factorization.

681486814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169154.

The product of its digits is 294912, while the sum is 46.

The square root of 681486814 is about 26105.3024115791. The cubic root of 681486814 is about 880.0063765034.

The spelling of 681486814 in words is "six hundred eighty-one million, four hundred eighty-six thousand, eight hundred fourteen".