29105630189 has 2 divisors, whose sum is σ = 29105630190. Its totient is φ = 29105630188.

The previous prime is 29105630159. The next prime is 29105630231. The reversal of 29105630189 is 98103650192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27941796964 + 1163833225 = 167158^2 + 34115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29105630189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29105630159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14552815094 + 14552815095.

It is an arithmetic number, because the mean of its divisors is an integer number (14552815095).

Almost surely, 2^29105630189 is an apocalyptic number.

It is an amenable number.

29105630189 is a deficient number, since it is larger than the sum of its proper divisors (1).

29105630189 is an equidigital number, since it uses as much as digits as its factorization.

29105630189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 29105630189 in words is "twenty-nine billion, one hundred five million, six hundred thirty thousand, one hundred eighty-nine".