29143142857728 has 132 divisors (see below), whose sum is σ = 84420780254928. Its totient is φ = 9683144048640.

The previous prime is 29143142857727. The next prime is 29143142857747. The reversal of 29143142857728 is 82775824134192.

29143142857728 is a `hidden beast` number, since 2 + 9 + 1 + 4 + 3 + 14 + 28 + 577 + 28 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29143142857727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217801 + ... + 7950152.

Almost surely, 2^{29143142857728} is an apocalyptic number.

It is an amenable number.

29143142857728 is an abundant number, since it is smaller than the sum of its proper divisors (55277637397200).

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

29143142857728 is a wasteful number, since it uses less digits than its factorization.

29143142857728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168290 (or 10168269 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 29143142857728 in words is "twenty-nine trillion, one hundred forty-three billion, one hundred forty-two million, eight hundred fifty-seven thousand, seven hundred twenty-eight".