63853820106 has 16 divisors (see below), whose sum is σ = 134429095200. Its totient is φ = 20164364208.

The previous prime is 63853820047. The next prime is 63853820111. The reversal of 63853820106 is 60102835836.

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, 280060501 + ... + 280060728.

It is an arithmetic number, because the mean of its divisors is an integer number (8401818450).

Almost surely, 2^63853820106 is an apocalyptic number.

63853820106 is an abundant number, since it is smaller than the sum of its proper divisors (70575275094).

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

63853820106 is a wasteful number, since it uses less digits than its factorization.

63853820106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560121253.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 63853820106 in words is "sixty-three billion, eight hundred fifty-three million, eight hundred twenty thousand, one hundred six".