129444309003 has 16 divisors (see below), whose sum is σ = 174895454720. Its totient is φ = 85146164064.

The previous prime is 129444308971. The next prime is 129444309017. The reversal of 129444309003 is 300903444921.

It is not a de Polignac number, because 129444309003 - 2⁵ = 129444308971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129444309503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167325 + ... + 535617.

It is an arithmetic number, because the mean of its divisors is an integer number (10930965920).

Almost surely, 2^129444309003 is an apocalyptic number.

129444309003 is a deficient number, since it is larger than the sum of its proper divisors (45451145717).

129444309003 is a wasteful number, since it uses less digits than its factorization.

129444309003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369858.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 129444309003 in words is "one hundred twenty-nine billion, four hundred forty-four million, three hundred nine thousand, three".