63780744063 has 4 divisors (see below), whose sum is σ = 85040992088. Its totient is φ = 42520496040.

The previous prime is 63780744059. The next prime is 63780744077. The reversal of 63780744063 is 36044708736.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63780744063 - 2² = 63780744059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63780744043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10630124008 + ... + 10630124013.

It is an arithmetic number, because the mean of its divisors is an integer number (21260248022).

Almost surely, 2^63780744063 is an apocalyptic number.

63780744063 is a deficient number, since it is larger than the sum of its proper divisors (21260248025).

63780744063 is a wasteful number, since it uses less digits than its factorization.

63780744063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260248024.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 63780744063 in words is "sixty-three billion, seven hundred eighty million, seven hundred forty-four thousand, sixty-three".