29281912104 has 32 divisors (see below), whose sum is σ = 73338642720. Its totient is φ = 9742789056.

The previous prime is 29281912091. The next prime is 29281912159. The reversal of 29281912104 is 40121918292.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102119 + ... + 1128374.

It is an arithmetic number, because the mean of its divisors is an integer number (2291832585).

Almost surely, 2^29281912104 is an apocalyptic number.

29281912104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29281912104 is an abundant number, since it is smaller than the sum of its proper divisors (44056730616).

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

29281912104 is a wasteful number, since it uses less digits than its factorization.

29281912104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231049 (or 2231045 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 29281912104 in words is "twenty-nine billion, two hundred eighty-one million, nine hundred twelve thousand, one hundred four".