29477934719971 has 2 divisors, whose sum is σ = 29477934719972. Its totient is φ = 29477934719970.

The previous prime is 29477934719911. The next prime is 29477934720133. The reversal of 29477934719971 is 17991743977492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29477934719971 - 2⁹ = 29477934719459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29477934719891 and 29477934719900.

It is not a weakly prime, because it can be changed into another prime (29477934719911) 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 as a sum of consecutive naturals, namely, 14738967359985 + 14738967359986.

It is an arithmetic number, because the mean of its divisors is an integer number (14738967359986).

Almost surely, 2^{29477934719971} is an apocalyptic number.

29477934719971 is a deficient number, since it is larger than the sum of its proper divisors (1).

29477934719971 is an equidigital number, since it uses as much as digits as its factorization.

29477934719971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512284256, while the sum is 79.

The spelling of 29477934719971 in words is "twenty-nine trillion, four hundred seventy-seven billion, nine hundred thirty-four million, seven hundred nineteen thousand, nine hundred seventy-one".