29108783412 has 72 divisors (see below), whose sum is σ = 76113346400. Its totient is φ = 9372708288.

The previous prime is 29108783401. The next prime is 29108783441. The reversal of 29108783412 is 21438780192.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106539 + ... + 263757.

Almost surely, 2^29108783412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29108783412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38056673200).

29108783412 is an abundant number, since it is smaller than the sum of its proper divisors (47004562988).

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

29108783412 is a wasteful number, since it uses less digits than its factorization.

29108783412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157405 (or 157400 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 29108783412 in words is "twenty-nine billion, one hundred eight million, seven hundred eighty-three thousand, four hundred twelve".