29099819668 has 12 divisors (see below), whose sum is σ = 51313423392. Its totient is φ = 14438841560.

The previous prime is 29099819657. The next prime is 29099819669. The reversal of 29099819668 is 86691899092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29099819669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27766480 + ... + 27767527.

It is an arithmetic number, because the mean of its divisors is an integer number (4276118616).

Almost surely, 2^29099819668 is an apocalyptic number.

It is an amenable number.

29099819668 is a deficient number, since it is larger than the sum of its proper divisors (22213603724).

29099819668 is a wasteful number, since it uses less digits than its factorization.

29099819668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55534142 (or 55534140 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 67.

The spelling of 29099819668 in words is "twenty-nine billion, ninety-nine million, eight hundred nineteen thousand, six hundred sixty-eight".