29404445549 has 2 divisors, whose sum is σ = 29404445550. Its totient is φ = 29404445548.

The previous prime is 29404445503. The next prime is 29404445699. The reversal of 29404445549 is 94554440492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21310744324 + 8093701225 = 145982^2 + 89965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29404445549 is a prime.

It is a super-2 number, since 2×29404445549² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29404445497 and 29404445506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29404465549) 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, 14702222774 + 14702222775.

It is an arithmetic number, because the mean of its divisors is an integer number (14702222775).

Almost surely, 2^29404445549 is an apocalyptic number.

It is an amenable number.

29404445549 is a deficient number, since it is larger than the sum of its proper divisors (1).

29404445549 is an equidigital number, since it uses as much as digits as its factorization.

29404445549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 29404445549 in words is "twenty-nine billion, four hundred four million, four hundred forty-five thousand, five hundred forty-nine".