29438227198 has 4 divisors (see below), whose sum is σ = 44157340800. Its totient is φ = 14719113598.

The previous prime is 29438227171. The next prime is 29438227219. The reversal of 29438227198 is 89172283492.

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

It is a super-2 number, since 2×29438227198² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7359556798 + ... + 7359556801.

It is an arithmetic number, because the mean of its divisors is an integer number (11039335200).

Almost surely, 2^29438227198 is an apocalyptic number.

29438227198 is a deficient number, since it is larger than the sum of its proper divisors (14719113602).

29438227198 is a wasteful number, since it uses less digits than its factorization.

29438227198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719113601.

The product of its digits is 3483648, while the sum is 55.

The spelling of 29438227198 in words is "twenty-nine billion, four hundred thirty-eight million, two hundred twenty-seven thousand, one hundred ninety-eight".