1229482369 has 2 divisors, whose sum is σ = 1229482370. Its totient is φ = 1229482368.

The previous prime is 1229482367. The next prime is 1229482379. The reversal of 1229482369 is 9632849221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109689344 + 119793025 = 33312^2 + 10945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229482369 - 2¹ = 1229482367 is a prime.

It is a super-2 number, since 2×1229482369² = 3023253791363704322, which contains 22 as substring.

Together with 1229482367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1229482367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614741184 + 614741185.

It is an arithmetic number, because the mean of its divisors is an integer number (614741185).

Almost surely, 2^1229482369 is an apocalyptic number.

It is an amenable number.

1229482369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229482369 is an equidigital number, since it uses as much as digits as its factorization.

1229482369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 1229482369 is about 35063.9753735939. The cubic root of 1229482369 is about 1071.2909474592.

The spelling of 1229482369 in words is "one billion, two hundred twenty-nine million, four hundred eighty-two thousand, three hundred sixty-nine".