29873439158 has 4 divisors (see below), whose sum is σ = 44810158740. Its totient is φ = 14936719578.

The previous prime is 29873439133. The next prime is 29873439161. The reversal of 29873439158 is 85193437892.

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

It is a junction number, because it is equal to n+sod(n) for n = 29873439097 and 29873439106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7468359788 + ... + 7468359791.

It is an arithmetic number, because the mean of its divisors is an integer number (11202539685).

Almost surely, 2^29873439158 is an apocalyptic number.

29873439158 is a deficient number, since it is larger than the sum of its proper divisors (14936719582).

29873439158 is a wasteful number, since it uses less digits than its factorization.

29873439158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936719581.

The product of its digits is 13063680, while the sum is 59.

The spelling of 29873439158 in words is "twenty-nine billion, eight hundred seventy-three million, four hundred thirty-nine thousand, one hundred fifty-eight".