29139669832 has 32 divisors (see below), whose sum is σ = 67245393600. Its totient is φ = 11527781184.

The previous prime is 29139669821. The next prime is 29139669833. The reversal of 29139669832 is 23896693192.

It is not an unprimeable number, because it can be changed into a prime (29139669833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20012782 + ... + 20014237.

It is an arithmetic number, because the mean of its divisors is an integer number (2101418550).

Almost surely, 2^29139669832 is an apocalyptic number.

It is an amenable number.

29139669832 is an abundant number, since it is smaller than the sum of its proper divisors (38105723768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29139669832 is a wasteful number, since it uses less digits than its factorization.

29139669832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40027045 (or 40027041 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 58.

The spelling of 29139669832 in words is "twenty-nine billion, one hundred thirty-nine million, six hundred sixty-nine thousand, eight hundred thirty-two".