68355444510835 has 32 divisors (see below), whose sum is σ = 83829183863040. Its totient is φ = 53484194429952.

The previous prime is 68355444510809. The next prime is 68355444510889. The reversal of 68355444510835 is 53801544455386.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-68355444510835 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3110306367 + ... + 3110328343.

It is an arithmetic number, because the mean of its divisors is an integer number (2619661995720).

Almost surely, 2^{68355444510835} is an apocalyptic number.

68355444510835 is a deficient number, since it is larger than the sum of its proper divisors (15473739352205).

68355444510835 is a wasteful number, since it uses less digits than its factorization.

68355444510835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30495.

The product of its (nonzero) digits is 138240000, while the sum is 61.

The spelling of 68355444510835 in words is "sixty-eight trillion, three hundred fifty-five billion, four hundred forty-four million, five hundred ten thousand, eight hundred thirty-five".