29913907171 has 2 divisors, whose sum is σ = 29913907172. Its totient is φ = 29913907170.

The previous prime is 29913907169. The next prime is 29913907201. The reversal of 29913907171 is 17170931992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29913907171 - 2¹ = 29913907169 is a prime.

Together with 29913907169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29913907151) by changing a digit.

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 as a sum of consecutive naturals, namely, 14956953585 + 14956953586.

It is an arithmetic number, because the mean of its divisors is an integer number (14956953586).

Almost surely, 2^29913907171 is an apocalyptic number.

29913907171 is a deficient number, since it is larger than the sum of its proper divisors (1).

29913907171 is an equidigital number, since it uses as much as digits as its factorization.

29913907171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 49.

The spelling of 29913907171 in words is "twenty-nine billion, nine hundred thirteen million, nine hundred seven thousand, one hundred seventy-one".