29887812543813 has 12 divisors (see below), whose sum is σ = 46356607211040. Its totient is φ = 17078750024952.

The previous prime is 29887812543811. The next prime is 29887812543833. The reversal of 29887812543813 is 31834521878892.

It is not a de Polignac number, because 29887812543813 - 2¹ = 29887812543811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29887812543811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101659226193 + ... + 101659226486.

It is an arithmetic number, because the mean of its divisors is an integer number (3863050600920).

Almost surely, 2^{29887812543813} is an apocalyptic number.

It is an amenable number.

29887812543813 is a deficient number, since it is larger than the sum of its proper divisors (16468794667227).

29887812543813 is a wasteful number, since it uses less digits than its factorization.

29887812543813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203318452696 (or 203318452689 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 69.

The spelling of 29887812543813 in words is "twenty-nine trillion, eight hundred eighty-seven billion, eight hundred twelve million, five hundred forty-three thousand, eight hundred thirteen".