29997928349328 has 40 divisors (see below), whose sum is σ = 79384761612576. Its totient is φ = 9755423852800.

The previous prime is 29997928349317. The next prime is 29997928349329. The reversal of 29997928349328 is 82394382979992.

It is not an unprimeable number, because it can be changed into a prime (29997928349329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621422918 + ... + 7621426853.

Almost surely, 2^{29997928349328} is an apocalyptic number.

It is an amenable number.

29997928349328 is an abundant number, since it is smaller than the sum of its proper divisors (49386833263248).

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

29997928349328 is a wasteful number, since it uses less digits than its factorization.

29997928349328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242849823 (or 15242849817 counting only the distinct ones).

The product of its digits is 7618738176, while the sum is 84.

The spelling of 29997928349328 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-eight million, three hundred forty-nine thousand, three hundred twenty-eight".