1068131900789 has 2 divisors, whose sum is σ = 1068131900790. Its totient is φ = 1068131900788.

The previous prime is 1068131900783. The next prime is 1068131900851. The reversal of 1068131900789 is 9870091318601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991199448100 + 76932452689 = 995590^2 + 277367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068131900789 - 2³² = 1063836933493 is a prime.

It is a super-3 number, since 3×1068131900789³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068131900789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068131900783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534065950394 + 534065950395.

It is an arithmetic number, because the mean of its divisors is an integer number (534065950395).

Almost surely, 2^{1068131900789} is an apocalyptic number.

It is an amenable number.

1068131900789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068131900789 is an equidigital number, since it uses as much as digits as its factorization.

1068131900789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 53.

The spelling of 1068131900789 in words is "one trillion, sixty-eight billion, one hundred thirty-one million, nine hundred thousand, seven hundred eighty-nine".