29989643285676 has 24 divisors (see below), whose sum is σ = 69975989891584. Its totient is φ = 9996525539280.

The previous prime is 29989643285659. The next prime is 29989643285687. The reversal of 29989643285676 is 67658234698992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3393561 + ... + 8455503.

Almost surely, 2^{29989643285676} is an apocalyptic number.

It is an amenable number.

29989643285676 is an abundant number, since it is smaller than the sum of its proper divisors (39986346605908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29989643285676 is a wasteful number, since it uses less digits than its factorization.

29989643285676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555661 (or 5555659 counting only the distinct ones).

The product of its digits is 16930529280, while the sum is 84.

The spelling of 29989643285676 in words is "twenty-nine trillion, nine hundred eighty-nine billion, six hundred forty-three million, two hundred eighty-five thousand, six hundred seventy-six".