1129697469829 has 2 divisors, whose sum is σ = 1129697469830. Its totient is φ = 1129697469828.

The previous prime is 1129697469793. The next prime is 1129697469841. The reversal of 1129697469829 is 9289647969211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664996213729 + 464701256100 = 815473^2 + 681690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129697469829 - 2⁷ = 1129697469701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129697269829) 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, 564848734914 + 564848734915.

It is an arithmetic number, because the mean of its divisors is an integer number (564848734915).

Almost surely, 2^{1129697469829} is an apocalyptic number.

It is an amenable number.

1129697469829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129697469829 is an equidigital number, since it uses as much as digits as its factorization.

1129697469829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211631616, while the sum is 73.

The spelling of 1129697469829 in words is "one trillion, one hundred twenty-nine billion, six hundred ninety-seven million, four hundred sixty-nine thousand, eight hundred twenty-nine".