1066263504793 has 2 divisors, whose sum is σ = 1066263504794. Its totient is φ = 1066263504792.

The previous prime is 1066263504721. The next prime is 1066263504841. The reversal of 1066263504793 is 3974053626601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003336778889 + 62926725904 = 1001667^2 + 250852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066263504793 - 2⁹ = 1066263504281 is a prime.

It is a super-2 number, since 2×1066263504793² (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 1066263504793.

It is not a weakly prime, because it can be changed into another prime (1066263504893) 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, 533131752396 + 533131752397.

It is an arithmetic number, because the mean of its divisors is an integer number (533131752397).

Almost surely, 2^{1066263504793} is an apocalyptic number.

It is an amenable number.

1066263504793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066263504793 is an equidigital number, since it uses as much as digits as its factorization.

1066263504793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 1066263504793 in words is "one trillion, sixty-six billion, two hundred sixty-three million, five hundred four thousand, seven hundred ninety-three".