634622653144 has 16 divisors (see below), whose sum is σ = 1190270511720. Its totient is φ = 317217183360.

The previous prime is 634622653129. The next prime is 634622653199. The reversal of 634622653144 is 441356226436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 634622653094 and 634622653103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11739249 + ... + 11793184.

Almost surely, 2^634622653144 is an apocalyptic number.

It is an amenable number.

634622653144 is a deficient number, since it is larger than the sum of its proper divisors (555647858576).

634622653144 is a wasteful number, since it uses less digits than its factorization.

634622653144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23535810 (or 23535806 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 634622653144 in words is "six hundred thirty-four billion, six hundred twenty-two million, six hundred fifty-three thousand, one hundred forty-four".