1143821608829 has 2 divisors, whose sum is σ = 1143821608830. Its totient is φ = 1143821608828.

The previous prime is 1143821608793. The next prime is 1143821608841. The reversal of 1143821608829 is 9288061283411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009793863225 + 134027745604 = 1004885^2 + 366098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143821608829 - 2¹² = 1143821604733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143821608859) 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, 571910804414 + 571910804415.

It is an arithmetic number, because the mean of its divisors is an integer number (571910804415).

Almost surely, 2^{1143821608829} is an apocalyptic number.

It is an amenable number.

1143821608829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143821608829 is an equidigital number, since it uses as much as digits as its factorization.

1143821608829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 1143821608829 in words is "one trillion, one hundred forty-three billion, eight hundred twenty-one million, six hundred eight thousand, eight hundred twenty-nine".