29451793128 has 16 divisors (see below), whose sum is σ = 73629482880. Its totient is φ = 9817264368.

The previous prime is 29451793093. The next prime is 29451793153. The reversal of 29451793128 is 82139715492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613579000 + ... + 613579047.

It is an arithmetic number, because the mean of its divisors is an integer number (4601842680).

Almost surely, 2^29451793128 is an apocalyptic number.

It is an amenable number.

29451793128 is an abundant number, since it is smaller than the sum of its proper divisors (44177689752).

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

29451793128 is a wasteful number, since it uses less digits than its factorization.

29451793128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227158056 (or 1227158052 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The spelling of 29451793128 in words is "twenty-nine billion, four hundred fifty-one million, seven hundred ninety-three thousand, one hundred twenty-eight".