29973391926252 has 12 divisors (see below), whose sum is σ = 69937914494616. Its totient is φ = 9991130642080.

The previous prime is 29973391926187. The next prime is 29973391926301. The reversal of 29973391926252 is 25262919337992.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1248891330249 + ... + 1248891330272.

It is an arithmetic number, because the mean of its divisors is an integer number (5828159541218).

Almost surely, 2^{29973391926252} is an apocalyptic number.

It is an amenable number.

29973391926252 is an abundant number, since it is smaller than the sum of its proper divisors (39964522568364).

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

29973391926252 is a wasteful number, since it uses less digits than its factorization.

29973391926252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497782660528 (or 2497782660526 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 69.

The spelling of 29973391926252 in words is "twenty-nine trillion, nine hundred seventy-three billion, three hundred ninety-one million, nine hundred twenty-six thousand, two hundred fifty-two".