1068140491973 has 2 divisors, whose sum is σ = 1068140491974. Its totient is φ = 1068140491972.

The previous prime is 1068140491937. The next prime is 1068140491987. The reversal of 1068140491973 is 3791940418601.

Together with previous prime (1068140491937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738736812004 + 329403679969 = 859498^2 + 573937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068140491973 - 2¹⁸ = 1068140229829 is a prime.

It is a super-2 number, since 2×1068140491973² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068140491933) 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, 534070245986 + 534070245987.

It is an arithmetic number, because the mean of its divisors is an integer number (534070245987).

Almost surely, 2^{1068140491973} is an apocalyptic number.

It is an amenable number.

1068140491973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068140491973 is an equidigital number, since it uses as much as digits as its factorization.

1068140491973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1068140491973 in words is "one trillion, sixty-eight billion, one hundred forty million, four hundred ninety-one thousand, nine hundred seventy-three".