1068918969593 has 2 divisors, whose sum is σ = 1068918969594. Its totient is φ = 1068918969592.

The previous prime is 1068918969529. The next prime is 1068918969709. The reversal of 1068918969593 is 3959698198601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041689679424 + 27229290169 = 1020632^2 + 165013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068918969593 - 2⁶ = 1068918969529 is a prime.

It is a super-2 number, since 2×1068918969593² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068918969593.

It is not a weakly prime, because it can be changed into another prime (1068918939593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534459484796 + 534459484797.

It is an arithmetic number, because the mean of its divisors is an integer number (534459484797).

Almost surely, 2^{1068918969593} is an apocalyptic number.

It is an amenable number.

1068918969593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068918969593 is an equidigital number, since it uses as much as digits as its factorization.

1068918969593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226748160, while the sum is 74.

The spelling of 1068918969593 in words is "one trillion, sixty-eight billion, nine hundred eighteen million, nine hundred sixty-nine thousand, five hundred ninety-three".