29102909019091 has 2 divisors, whose sum is σ = 29102909019092. Its totient is φ = 29102909019090.

The previous prime is 29102909019089. The next prime is 29102909019133. The reversal of 29102909019091 is 19091090920192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29102909019091 - 2¹ = 29102909019089 is a prime.

Together with 29102909019089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29102909019011) 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, 14551454509545 + 14551454509546.

It is an arithmetic number, because the mean of its divisors is an integer number (14551454509546).

Almost surely, 2^{29102909019091} is an apocalyptic number.

29102909019091 is a deficient number, since it is larger than the sum of its proper divisors (1).

29102909019091 is an equidigital number, since it uses as much as digits as its factorization.

29102909019091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 29102909019091 in words is "twenty-nine trillion, one hundred two billion, nine hundred nine million, nineteen thousand, ninety-one".