99709123329 has 12 divisors (see below), whose sum is σ = 144748032000. Its totient is φ = 66138713784.

The previous prime is 99709123321. The next prime is 99709123331. The reversal of 99709123329 is 92332190799.

It is not a de Polignac number, because 99709123329 - 2³ = 99709123321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99709123321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27834369 + ... + 27837950.

It is an arithmetic number, because the mean of its divisors is an integer number (12062336000).

Almost surely, 2^99709123329 is an apocalyptic number.

It is an amenable number.

99709123329 is a deficient number, since it is larger than the sum of its proper divisors (45038908671).

99709123329 is a wasteful number, since it uses less digits than its factorization.

99709123329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55672524 (or 55672521 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The spelling of 99709123329 in words is "ninety-nine billion, seven hundred nine million, one hundred twenty-three thousand, three hundred twenty-nine".