5438631876568 has 32 divisors (see below), whose sum is σ = 11128725614160. Its totient is φ = 2471160660480.

The previous prime is 5438631876547. The next prime is 5438631876581. The reversal of 5438631876568 is 8656781368345.

It is a junction number, because it is equal to n+sod(n) for n = 5438631876497 and 5438631876506.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11577621 + ... + 12038212.

Almost surely, 2^{5438631876568} is an apocalyptic number.

It is an amenable number.

5438631876568 is an abundant number, since it is smaller than the sum of its proper divisors (5690093737592).

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

5438631876568 is a wasteful number, since it uses less digits than its factorization.

5438631876568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618467 (or 23618463 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 70.

The spelling of 5438631876568 in words is "five trillion, four hundred thirty-eight billion, six hundred thirty-one million, eight hundred seventy-six thousand, five hundred sixty-eight".