29018134978 has 32 divisors (see below), whose sum is σ = 52475904000. Its totient is φ = 11756520144.

The previous prime is 29018134913. The next prime is 29018135039. The reversal of 29018134978 is 87943181092.

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 in 15 ways as a sum of consecutive naturals, for example, 7423 + ... + 241021.

It is an arithmetic number, because the mean of its divisors is an integer number (1639872000).

Almost surely, 2^29018134978 is an apocalyptic number.

29018134978 is a deficient number, since it is larger than the sum of its proper divisors (23457769022).

29018134978 is a wasteful number, since it uses less digits than its factorization.

29018134978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234094.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 29018134978 in words is "twenty-nine billion, eighteen million, one hundred thirty-four thousand, nine hundred seventy-eight".