634286321432 has 32 divisors (see below), whose sum is σ = 1195588632000. Its totient is φ = 315463071744.

The previous prime is 634286321423. The next prime is 634286321443. The reversal of 634286321432 is 234123682436.

It is a happy number.

634286321432 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17195633 + ... + 17232479.

It is an arithmetic number, because the mean of its divisors is an integer number (37362144750).

Almost surely, 2^634286321432 is an apocalyptic number.

It is an amenable number.

634286321432 is a deficient number, since it is larger than the sum of its proper divisors (561302310568).

634286321432 is a wasteful number, since it uses less digits than its factorization.

634286321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48195 (or 48191 counting only the distinct ones).

The product of its digits is 995328, while the sum is 44.

The spelling of 634286321432 in words is "six hundred thirty-four billion, two hundred eighty-six million, three hundred twenty-one thousand, four hundred thirty-two".