29997929432792 has 16 divisors (see below), whose sum is σ = 56512686967800. Its totient is φ = 14927879574720.

The previous prime is 29997929432791. The next prime is 29997929432813. The reversal of 29997929432792 is 29723492979992.

It is a self number, because there is not a number n which added to its sum of digits gives 29997929432792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997929432791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8885640917 + ... + 8885644292.

Almost surely, 2^{29997929432792} is an apocalyptic number.

It is an amenable number.

29997929432792 is a deficient number, since it is larger than the sum of its proper divisors (26514757535008).

29997929432792 is a wasteful number, since it uses less digits than its factorization.

29997929432792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17771285426 (or 17771285422 counting only the distinct ones).

The product of its digits is 4999796928, while the sum is 83.

The spelling of 29997929432792 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-nine million, four hundred thirty-two thousand, seven hundred ninety-two".