68121313986093 has 16 divisors (see below), whose sum is σ = 97488681422976. Its totient is φ = 42157267637760.

The previous prime is 68121313986071. The next prime is 68121313986137. The reversal of 68121313986093 is 39068931312186.

It is not a de Polignac number, because 68121313986093 - 2¹³ = 68121313977901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68121313986023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9148708873 + ... + 9148716318.

It is an arithmetic number, because the mean of its divisors is an integer number (6093042588936).

Almost surely, 2^{68121313986093} is an apocalyptic number.

It is an amenable number.

68121313986093 is a deficient number, since it is larger than the sum of its proper divisors (29367367436883).

68121313986093 is a wasteful number, since it uses less digits than its factorization.

68121313986093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297425284.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 68121313986093 in words is "sixty-eight trillion, one hundred twenty-one billion, three hundred thirteen million, nine hundred eighty-six thousand, ninety-three".