269929008449 has 2 divisors, whose sum is σ = 269929008450. Its totient is φ = 269929008448.

The previous prime is 269929008361. The next prime is 269929008469. The reversal of 269929008449 is 944800929962.

It is a happy number.

269929008449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269368266049 + 560742400 = 519007^2 + 23680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269929008449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 269929008391 and 269929008400.

It is not a weakly prime, because it can be changed into another prime (269929008469) 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, 134964504224 + 134964504225.

It is an arithmetic number, because the mean of its divisors is an integer number (134964504225).

Almost surely, 2^269929008449 is an apocalyptic number.

It is an amenable number.

269929008449 is a deficient number, since it is larger than the sum of its proper divisors (1).

269929008449 is an equidigital number, since it uses as much as digits as its factorization.

269929008449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 269929008449 in words is "two hundred sixty-nine billion, nine hundred twenty-nine million, eight thousand, four hundred forty-nine".