634331421613422 has 96 divisors (see below), whose sum is σ = 1487881028874240. Its totient is φ = 194153740741440.

The previous prime is 634331421613363. The next prime is 634331421613457. The reversal of 634331421613422 is 224316124133436.

634331421613422 is a `hidden beast` number, since 6 + 3 + 4 + 3 + 3 + 1 + 4 + 2 + 1 + 613 + 4 + 22 = 666.

634331421613422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×634331421613422³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4770526383 + ... + 4770659349.

It is an arithmetic number, because the mean of its divisors is an integer number (15498760717440).

Almost surely, 2^{634331421613422} is an apocalyptic number.

634331421613422 is an abundant number, since it is smaller than the sum of its proper divisors (853549607260818).

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

634331421613422 is a wasteful number, since it uses less digits than its factorization.

634331421613422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239918 (or 239915 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

Adding to 634331421613422 its reverse (224316124133436), we get a palindrome (858647545746858).

The spelling of 634331421613422 in words is "six hundred thirty-four trillion, three hundred thirty-one billion, four hundred twenty-one million, six hundred thirteen thousand, four hundred twenty-two".