63683016538 has 16 divisors (see below), whose sum is σ = 99960163776. Its totient is φ = 30370806400.

The previous prime is 63683016517. The next prime is 63683016557. The reversal of 63683016538 is 83561038636.

It is a junction number, because it is equal to n+sod(n) for n = 63683016491 and 63683016500.

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, 1944688 + ... + 1977163.

It is an arithmetic number, because the mean of its divisors is an integer number (6247510236).

Almost surely, 2^63683016538 is an apocalyptic number.

63683016538 is a deficient number, since it is larger than the sum of its proper divisors (36277147238).

63683016538 is a wasteful number, since it uses less digits than its factorization.

63683016538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922229.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 63683016538 in words is "sixty-three billion, six hundred eighty-three million, sixteen thousand, five hundred thirty-eight".