129650918424 has 32 divisors (see below), whose sum is σ = 324982536000. Its totient is φ = 43102940832.

The previous prime is 129650918407. The next prime is 129650918429. The reversal of 129650918424 is 424819056921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129650918429) 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, 7117714 + ... + 7135905.

It is an arithmetic number, because the mean of its divisors is an integer number (10155704250).

Almost surely, 2^129650918424 is an apocalyptic number.

It is an amenable number.

129650918424 is an abundant number, since it is smaller than the sum of its proper divisors (195331617576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129650918424 is a wasteful number, since it uses less digits than its factorization.

129650918424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254007 (or 14254003 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 129650918424 in words is "one hundred twenty-nine billion, six hundred fifty million, nine hundred eighteen thousand, four hundred twenty-four".