63814838838 has 16 divisors (see below), whose sum is σ = 131079128880. Its totient is φ = 20696704416.

The previous prime is 63814838819. The next prime is 63814838861. The reversal of 63814838838 is 83883841836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143726893 + ... + 143727336.

It is an arithmetic number, because the mean of its divisors is an integer number (8192445555).

Almost surely, 2^63814838838 is an apocalyptic number.

63814838838 is an abundant number, since it is smaller than the sum of its proper divisors (67264290042).

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

63814838838 is a wasteful number, since it uses less digits than its factorization.

63814838838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287454271.

The product of its digits is 21233664, while the sum is 60.

The spelling of 63814838838 in words is "sixty-three billion, eight hundred fourteen million, eight hundred thirty-eight thousand, eight hundred thirty-eight".