632385543129 has 4 divisors (see below), whose sum is σ = 843180724176. Its totient is φ = 421590362084.

The previous prime is 632385543121. The next prime is 632385543143. The reversal of 632385543129 is 921345583236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 632385543129 - 2³ = 632385543121 is a prime.

It is a super-2 number, since 2×632385543129² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (632385543121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105397590519 + ... + 105397590524.

It is an arithmetic number, because the mean of its divisors is an integer number (210795181044).

Almost surely, 2^632385543129 is an apocalyptic number.

It is an amenable number.

632385543129 is a deficient number, since it is larger than the sum of its proper divisors (210795181047).

632385543129 is a wasteful number, since it uses less digits than its factorization.

632385543129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210795181046.

The product of its digits is 4665600, while the sum is 51.

The spelling of 632385543129 in words is "six hundred thirty-two billion, three hundred eighty-five million, five hundred forty-three thousand, one hundred twenty-nine".