29991411188441 has 2 divisors, whose sum is σ = 29991411188442. Its totient is φ = 29991411188440.

The previous prime is 29991411188437. The next prime is 29991411188483. The reversal of 29991411188441 is 14488111419992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25927038259600 + 4064372928841 = 5091860^2 + 2016029^2 .

It is a cyclic number.

It is not a de Polignac number, because 29991411188441 - 2² = 29991411188437 is a prime.

It is not a weakly prime, because it can be changed into another prime (29991411188491) 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, 14995705594220 + 14995705594221.

It is an arithmetic number, because the mean of its divisors is an integer number (14995705594221).

Almost surely, 2^{29991411188441} is an apocalyptic number.

It is an amenable number.

29991411188441 is a deficient number, since it is larger than the sum of its proper divisors (1).

29991411188441 is an equidigital number, since it uses as much as digits as its factorization.

29991411188441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 62.

The spelling of 29991411188441 in words is "twenty-nine trillion, nine hundred ninety-one billion, four hundred eleven million, one hundred eighty-eight thousand, four hundred forty-one".