681028602614 has 16 divisors (see below), whose sum is σ = 1027578143088. Its totient is φ = 338503054752.

The previous prime is 681028602607. The next prime is 681028602647. The reversal of 681028602614 is 416206820186.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2698064 + ... + 2939660.

It is an arithmetic number, because the mean of its divisors is an integer number (64223633943).

Almost surely, 2^681028602614 is an apocalyptic number.

681028602614 is a deficient number, since it is larger than the sum of its proper divisors (346549540474).

681028602614 is a wasteful number, since it uses less digits than its factorization.

681028602614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249919.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 681028602614 in words is "six hundred eighty-one billion, twenty-eight million, six hundred two thousand, six hundred fourteen".