29995993018 has 32 divisors (see below), whose sum is σ = 47734663680. Its totient is φ = 14111858880.

The previous prime is 29995992989. The next prime is 29995993021. The reversal of 29995993018 is 81039959992.

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 in 15 ways as a sum of consecutive naturals, for example, 3948768 + ... + 3956356.

It is an arithmetic number, because the mean of its divisors is an integer number (1491708240).

Almost surely, 2^29995993018 is an apocalyptic number.

29995993018 is a deficient number, since it is larger than the sum of its proper divisors (17738670662).

29995993018 is a wasteful number, since it uses less digits than its factorization.

29995993018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382.

The product of its (nonzero) digits is 14171760, while the sum is 64.

The spelling of 29995993018 in words is "twenty-nine billion, nine hundred ninety-five million, nine hundred ninety-three thousand, eighteen".