63813951105 has 8 divisors (see below), whose sum is σ = 102102321792. Its totient is φ = 34034107248.

The previous prime is 63813951073. The next prime is 63813951119. The reversal of 63813951105 is 50115931836.

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

It is not a de Polignac number, because 63813951105 - 2⁵ = 63813951073 is a prime.

It is a Curzon 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, 2127131689 + ... + 2127131718.

It is an arithmetic number, because the mean of its divisors is an integer number (12762790224).

Almost surely, 2^63813951105 is an apocalyptic number.

It is an amenable number.

63813951105 is a deficient number, since it is larger than the sum of its proper divisors (38288370687).

63813951105 is a wasteful number, since it uses less digits than its factorization.

63813951105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254263415.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 63813951105 in words is "sixty-three billion, eight hundred thirteen million, nine hundred fifty-one thousand, one hundred five".