63429235128 has 96 divisors (see below), whose sum is σ = 196412636160. Its totient is φ = 18114880320.

The previous prime is 63429235123. The next prime is 63429235171. The reversal of 63429235128 is 82153292436.

63429235128 is a `hidden beast` number, since 6 + 3 + 4 + 292 + 351 + 2 + 8 = 666.

63429235128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63429235123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1207573 + ... + 1259003.

It is an arithmetic number, because the mean of its divisors is an integer number (2045964960).

Almost surely, 2^63429235128 is an apocalyptic number.

It is an amenable number.

63429235128 is an abundant number, since it is smaller than the sum of its proper divisors (132983401032).

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

63429235128 is a wasteful number, since it uses less digits than its factorization.

63429235128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53897 (or 53890 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 63429235128 in words is "sixty-three billion, four hundred twenty-nine million, two hundred thirty-five thousand, one hundred twenty-eight".