63680380803 has 18 divisors (see below), whose sum is σ = 99602649276. Its totient is φ = 39187925712.

The previous prime is 63680380789. The next prime is 63680380843. The reversal of 63680380803 is 30808308636.

It is a happy number.

63680380803 is a `hidden beast` number, since 636 + 8 + 0 + 3 + 8 + 0 + 8 + 0 + 3 = 666.

It is not a de Polignac number, because 63680380803 - 2¹⁰ = 63680379779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63680380843) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20932201 + ... + 20935242.

Almost surely, 2^63680380803 is an apocalyptic number.

63680380803 is a deficient number, since it is larger than the sum of its proper divisors (35922268473).

63680380803 is a wasteful number, since it uses less digits than its factorization.

63680380803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867475 (or 41867459 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 63680380803 in words is "sixty-three billion, six hundred eighty million, three hundred eighty thousand, eight hundred three".