29299027689 has 24 divisors (see below), whose sum is σ = 44996269032. Its totient is φ = 18307399680.

The previous prime is 29299027673. The next prime is 29299027699. The reversal of 29299027689 is 98672099292.

It can be written as a sum of positive squares in 4 ways, for example, as 3917758464 + 25381269225 = 62592^2 + 159315^2 .

It is not a de Polignac number, because 29299027689 - 2⁴ = 29299027673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29299027619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360424 + ... + 434169.

It is an arithmetic number, because the mean of its divisors is an integer number (1874844543).

Almost surely, 2^29299027689 is an apocalyptic number.

It is an amenable number.

29299027689 is a deficient number, since it is larger than the sum of its proper divisors (15697241343).

29299027689 is a wasteful number, since it uses less digits than its factorization.

29299027689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794857 (or 794854 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 29299027689 in words is "twenty-nine billion, two hundred ninety-nine million, twenty-seven thousand, six hundred eighty-nine".