29889207194 has 64 divisors (see below), whose sum is σ = 58088448000. Its totient is φ = 11193595200.

The previous prime is 29889207191. The next prime is 29889207199. The reversal of 29889207194 is 49170298892.

It is a super-2 number, since 2×29889207194² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 690317 + ... + 732335.

It is an arithmetic number, because the mean of its divisors is an integer number (907632000).

Almost surely, 2^29889207194 is an apocalyptic number.

29889207194 is a deficient number, since it is larger than the sum of its proper divisors (28199240806).

29889207194 is a wasteful number, since it uses less digits than its factorization.

29889207194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42219.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 29889207194 in words is "twenty-nine billion, eight hundred eighty-nine million, two hundred seven thousand, one hundred ninety-four".