29133661289 has 2 divisors, whose sum is σ = 29133661290. Its totient is φ = 29133661288.

The previous prime is 29133661273. The next prime is 29133661303. The reversal of 29133661289 is 98216633192.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196957225 + 1936704064 = 164915^2 + 44008^2 .

It is a cyclic number.

It is not a de Polignac number, because 29133661289 - 2⁴ = 29133661273 is a prime.

It is not a weakly prime, because it can be changed into another prime (29133661489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14566830644 + 14566830645.

It is an arithmetic number, because the mean of its divisors is an integer number (14566830645).

Almost surely, 2^29133661289 is an apocalyptic number.

It is an amenable number.

29133661289 is a deficient number, since it is larger than the sum of its proper divisors (1).

29133661289 is an equidigital number, since it uses as much as digits as its factorization.

29133661289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The spelling of 29133661289 in words is "twenty-nine billion, one hundred thirty-three million, six hundred sixty-one thousand, two hundred eighty-nine".