29530634129 has 4 divisors (see below), whose sum is σ = 30250893540. Its totient is φ = 28810374720.

The previous prime is 29530634101. The next prime is 29530634149. The reversal of 29530634129 is 92143603592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12928827025 + 16601807104 = 113705^2 + 128848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29530634129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29530634129.

It is not an unprimeable number, because it can be changed into a prime (29530634149) 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 in 3 ways as a sum of consecutive naturals, for example, 360129644 + ... + 360129725.

It is an arithmetic number, because the mean of its divisors is an integer number (7562723385).

Almost surely, 2^29530634129 is an apocalyptic number.

It is an amenable number.

29530634129 is a deficient number, since it is larger than the sum of its proper divisors (720259411).

29530634129 is an equidigital number, since it uses as much as digits as its factorization.

29530634129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720259410.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 29530634129 in words is "twenty-nine billion, five hundred thirty million, six hundred thirty-four thousand, one hundred twenty-nine".