29142655209684 has 36 divisors (see below), whose sum is σ = 73743455530836. Its totient is φ = 9704025088128.

The previous prime is 29142655209649. The next prime is 29142655209749. The reversal of 29142655209684 is 48690255624192.

29142655209684 is a `hidden beast` number, since 2 + 9 + 1 + 4 + 26 + 5 + 520 + 9 + 6 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18181457216784 + 10961197992900 = 4263972^2 + 3310770^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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, 424686679 + ... + 424755294.

It is an arithmetic number, because the mean of its divisors is an integer number (2048429320301).

Almost surely, 2^{29142655209684} is an apocalyptic number.

It is an amenable number.

29142655209684 is an abundant number, since it is smaller than the sum of its proper divisors (44600800321152).

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

29142655209684 is a wasteful number, since it uses less digits than its factorization.

29142655209684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849442936 (or 849442931 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 29142655209684 in words is "twenty-nine trillion, one hundred forty-two billion, six hundred fifty-five million, two hundred nine thousand, six hundred eighty-four".