29997928903671 has 12 divisors (see below), whose sum is σ = 43923908076048. Its totient is φ = 19724665580064.

The previous prime is 29997928903651. The next prime is 29997928903697. The reversal of 29997928903671 is 17630982979992.

29997928903671 is a `hidden beast` number, since 2 + 9 + 9 + 97 + 92 + 89 + 0 + 367 + 1 = 666.

It is not a de Polignac number, because 29997928903671 - 2¹⁴ = 29997928887287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997928903651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22829473395 + ... + 22829474708.

It is an arithmetic number, because the mean of its divisors is an integer number (3660325673004).

Almost surely, 2^{29997928903671} is an apocalyptic number.

29997928903671 is a deficient number, since it is larger than the sum of its proper divisors (13925979172377).

29997928903671 is a wasteful number, since it uses less digits than its factorization.

29997928903671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45658948182 (or 45658948179 counting only the distinct ones).

The product of its (nonzero) digits is 1666598976, while the sum is 81.

The spelling of 29997928903671 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-eight million, nine hundred three thousand, six hundred seventy-one".