63438683422 has 8 divisors (see below), whose sum is σ = 95207310072. Its totient is φ = 31702913400.

The previous prime is 63438683389. The next prime is 63438683443. The reversal of 63438683422 is 22438683436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209329 + ... + 8217052.

It is an arithmetic number, because the mean of its divisors is an integer number (11900913759).

Almost surely, 2^63438683422 is an apocalyptic number.

63438683422 is a deficient number, since it is larger than the sum of its proper divisors (31768626650).

63438683422 is a wasteful number, since it uses less digits than its factorization.

63438683422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16428314.

The product of its digits is 3981312, while the sum is 49.

The spelling of 63438683422 in words is "sixty-three billion, four hundred thirty-eight million, six hundred eighty-three thousand, four hundred twenty-two".