129050928789 has 8 divisors (see below), whose sum is σ = 176264683392. Its totient is φ = 83935563360.

The previous prime is 129050928763. The next prime is 129050928791. The reversal of 129050928789 is 987829050921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129050928789 - 2¹² = 129050924693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129050928089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524597149 + ... + 524597394.

It is an arithmetic number, because the mean of its divisors is an integer number (22033085424).

Almost surely, 2^129050928789 is an apocalyptic number.

It is an amenable number.

129050928789 is a deficient number, since it is larger than the sum of its proper divisors (47213754603).

129050928789 is a wasteful number, since it uses less digits than its factorization.

129050928789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049194587.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 129050928789 in words is "one hundred twenty-nine billion, fifty million, nine hundred twenty-eight thousand, seven hundred eighty-nine".