29989217884 has 12 divisors (see below), whose sum is σ = 52712327304. Its totient is φ = 14928552944.

The previous prime is 29989217833. The next prime is 29989217987. The reversal of 29989217884 is 48871298992.

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 in 3 ways as a sum of consecutive naturals, for example, 16512979 + ... + 16514794.

It is an arithmetic number, because the mean of its divisors is an integer number (4392693942).

Almost surely, 2^29989217884 is an apocalyptic number.

It is an amenable number.

29989217884 is a deficient number, since it is larger than the sum of its proper divisors (22723109420).

29989217884 is a wasteful number, since it uses less digits than its factorization.

29989217884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33028004 (or 33028002 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 67.

The spelling of 29989217884 in words is "twenty-nine billion, nine hundred eighty-nine million, two hundred seventeen thousand, eight hundred eighty-four".