29696886816 has 48 divisors (see below), whose sum is σ = 81343652544. Its totient is φ = 9468571904.

The previous prime is 29696886809. The next prime is 29696886829. The reversal of 29696886816 is 61868869692.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6722631 + ... + 6727046.

It is an arithmetic number, because the mean of its divisors is an integer number (1694659428).

Almost surely, 2^29696886816 is an apocalyptic number.

It is an amenable number.

29696886816 is an abundant number, since it is smaller than the sum of its proper divisors (51646765728).

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

29696886816 is a wasteful number, since it uses less digits than its factorization.

29696886816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449713 (or 13449705 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 69.

The spelling of 29696886816 in words is "twenty-nine billion, six hundred ninety-six million, eight hundred eighty-six thousand, eight hundred sixteen".