29129433188 has 6 divisors (see below), whose sum is σ = 50976508086. Its totient is φ = 14564716592.

The previous prime is 29129433169. The next prime is 29129433217. The reversal of 29129433188 is 88133492192.

It can be written as a sum of positive squares in only one way, i.e., 28347783424 + 781649764 = 168368^2 + 27958^2 .

It is an unprimeable number.

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, 3641179145 + ... + 3641179152.

It is an arithmetic number, because the mean of its divisors is an integer number (8496084681).

Almost surely, 2^29129433188 is an apocalyptic number.

It is an amenable number.

29129433188 is a deficient number, since it is larger than the sum of its proper divisors (21847074898).

29129433188 is a wasteful number, since it uses less digits than its factorization.

29129433188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282358301 (or 7282358299 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The spelling of 29129433188 in words is "twenty-nine billion, one hundred twenty-nine million, four hundred thirty-three thousand, one hundred eighty-eight".