68973718315063 has 2 divisors, whose sum is σ = 68973718315064. Its totient is φ = 68973718315062.

The previous prime is 68973718315037. The next prime is 68973718315079. The reversal of 68973718315063 is 36051381737986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68973718315063 - 2⁹ = 68973718314551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68973718315063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68973718315163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34486859157531 + 34486859157532.

It is an arithmetic number, because the mean of its divisors is an integer number (34486859157532).

Almost surely, 2^{68973718315063} is an apocalyptic number.

68973718315063 is a deficient number, since it is larger than the sum of its proper divisors (1).

68973718315063 is an equidigital number, since it uses as much as digits as its factorization.

68973718315063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 67.

The spelling of 68973718315063 in words is "sixty-eight trillion, nine hundred seventy-three billion, seven hundred eighteen million, three hundred fifteen thousand, sixty-three".