29421769529 has 2 divisors, whose sum is σ = 29421769530. Its totient is φ = 29421769528.

The previous prime is 29421769523. The next prime is 29421769607. The reversal of 29421769529 is 92596712492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19648469929 + 9773299600 = 140173^2 + 98860^2 .

It is a cyclic number.

It is not a de Polignac number, because 29421769529 - 2¹² = 29421765433 is a prime.

It is not a weakly prime, because it can be changed into another prime (29421769523) 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, 14710884764 + 14710884765.

It is an arithmetic number, because the mean of its divisors is an integer number (14710884765).

Almost surely, 2^29421769529 is an apocalyptic number.

It is an amenable number.

29421769529 is a deficient number, since it is larger than the sum of its proper divisors (1).

29421769529 is an equidigital number, since it uses as much as digits as its factorization.

29421769529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 29421769529 in words is "twenty-nine billion, four hundred twenty-one million, seven hundred sixty-nine thousand, five hundred twenty-nine".