29442613309 has 2 divisors, whose sum is σ = 29442613310. Its totient is φ = 29442613308.

The previous prime is 29442613271. The next prime is 29442613339. The reversal of 29442613309 is 90331624492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20035553209 + 9407060100 = 141547^2 + 96990^2 .

It is a cyclic number.

It is not a de Polignac number, because 29442613309 - 2⁷ = 29442613181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29442613339) 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, 14721306654 + 14721306655.

It is an arithmetic number, because the mean of its divisors is an integer number (14721306655).

Almost surely, 2^29442613309 is an apocalyptic number.

It is an amenable number.

29442613309 is a deficient number, since it is larger than the sum of its proper divisors (1).

29442613309 is an equidigital number, since it uses as much as digits as its factorization.

29442613309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 29442613309 in words is "twenty-nine billion, four hundred forty-two million, six hundred thirteen thousand, three hundred nine".