1063186821329 has 2 divisors, whose sum is σ = 1063186821330. Its totient is φ = 1063186821328.

The previous prime is 1063186821317. The next prime is 1063186821391. The reversal of 1063186821329 is 9231286813601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533377526929 + 529809294400 = 730327^2 + 727880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063186821329 - 2⁴ = 1063186821313 is a prime.

It is a super-2 number, since 2×1063186821329² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1063186823329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531593410664 + 531593410665.

It is an arithmetic number, because the mean of its divisors is an integer number (531593410665).

Almost surely, 2^{1063186821329} is an apocalyptic number.

It is an amenable number.

1063186821329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063186821329 is an equidigital number, since it uses as much as digits as its factorization.

1063186821329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 1063186821329 in words is "one trillion, sixty-three billion, one hundred eighty-six million, eight hundred twenty-one thousand, three hundred twenty-nine".