63813951146 has 64 divisors (see below), whose sum is σ = 109542101760. Its totient is φ = 27845294400.

The previous prime is 63813951119. The next prime is 63813951193. The reversal of 63813951146 is 64115931836.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63813951146.

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 31 ways as a sum of consecutive naturals, for example, 13970555 + ... + 13975121.

It is an arithmetic number, because the mean of its divisors is an integer number (1711595340).

Almost surely, 2^63813951146 is an apocalyptic number.

63813951146 is a deficient number, since it is larger than the sum of its proper divisors (45728150614).

63813951146 is a wasteful number, since it uses less digits than its factorization.

63813951146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4790 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The spelling of 63813951146 in words is "sixty-three billion, eight hundred thirteen million, nine hundred fifty-one thousand, one hundred forty-six".