681302834893 has 8 divisors (see below), whose sum is σ = 703295069696. Its totient is φ = 659311520400.

The previous prime is 681302834867. The next prime is 681302834911. The reversal of 681302834893 is 398438203186.

681302834893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-681302834893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681302838893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475128 + ... + 1881118.

It is an arithmetic number, because the mean of its divisors is an integer number (87911883712).

Almost surely, 2^681302834893 is an apocalyptic number.

It is an amenable number.

681302834893 is a deficient number, since it is larger than the sum of its proper divisors (21992234803).

681302834893 is a wasteful number, since it uses less digits than its factorization.

681302834893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460155.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 681302834893 in words is "six hundred eighty-one billion, three hundred two million, eight hundred thirty-four thousand, eight hundred ninety-three".