29889207193 has 4 divisors (see below), whose sum is σ = 30919869540. Its totient is φ = 28858544848.

The previous prime is 29889207191. The next prime is 29889207199. The reversal of 29889207193 is 39170298892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6699095104 + 23190112089 = 81848^2 + 152283^2 .

It is a cyclic number.

It is not a de Polignac number, because 29889207193 - 2¹ = 29889207191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29889207191) 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 3 ways as a sum of consecutive naturals, for example, 515331130 + ... + 515331187.

It is an arithmetic number, because the mean of its divisors is an integer number (7729967385).

Almost surely, 2^29889207193 is an apocalyptic number.

It is an amenable number.

29889207193 is a deficient number, since it is larger than the sum of its proper divisors (1030662347).

29889207193 is a wasteful number, since it uses less digits than its factorization.

29889207193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030662346.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 29889207193 in words is "twenty-nine billion, eight hundred eighty-nine million, two hundred seven thousand, one hundred ninety-three".