129523816482 has 32 divisors (see below), whose sum is σ = 264012773760. Its totient is φ = 42347560320.

The previous prime is 129523816481. The next prime is 129523816489. The reversal of 129523816482 is 284618325921.

It is not an unprimeable number, because it can be changed into a prime (129523816481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058494 + ... + 1174502.

It is an arithmetic number, because the mean of its divisors is an integer number (8250399180).

Almost surely, 2^129523816482 is an apocalyptic number.

129523816482 is an abundant number, since it is smaller than the sum of its proper divisors (134488957278).

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

129523816482 is a wasteful number, since it uses less digits than its factorization.

129523816482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119578.

The product of its digits is 1658880, while the sum is 51.

The spelling of 129523816482 in words is "one hundred twenty-nine billion, five hundred twenty-three million, eight hundred sixteen thousand, four hundred eighty-two".