29444447369 has 2 divisors, whose sum is σ = 29444447370. Its totient is φ = 29444447368.

The previous prime is 29444447339. The next prime is 29444447371. The reversal of 29444447369 is 96374444492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15238668025 + 14205779344 = 123445^2 + 119188^2 .

It is a cyclic number.

It is not a de Polignac number, because 29444447369 - 2⁸ = 29444447113 is a prime.

It is a super-2 number, since 2×29444447369² (a number of 22 digits) contains 22 as substring.

Together with 29444447371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29444447339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14722223684 + 14722223685.

It is an arithmetic number, because the mean of its divisors is an integer number (14722223685).

Almost surely, 2^29444447369 is an apocalyptic number.

It is an amenable number.

29444447369 is a deficient number, since it is larger than the sum of its proper divisors (1).

29444447369 is an equidigital number, since it uses as much as digits as its factorization.

29444447369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 56.

The spelling of 29444447369 in words is "twenty-nine billion, four hundred forty-four million, four hundred forty-seven thousand, three hundred sixty-nine".