63654132564745 has 4 divisors (see below), whose sum is σ = 76384959077700. Its totient is φ = 50923306051792.

The previous prime is 63654132564719. The next prime is 63654132564779. The reversal of 63654132564745 is 54746523145636.

63654132564745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48490499374144 + 15163633190601 = 6963512^2 + 3894051^2 .

It is a cyclic number.

It is not a de Polignac number, because 63654132564745 - 2¹¹ = 63654132562697 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 6365413256470 + ... + 6365413256479.

It is an arithmetic number, because the mean of its divisors is an integer number (19096239769425).

Almost surely, 2^{63654132564745} is an apocalyptic number.

It is an amenable number.

63654132564745 is a deficient number, since it is larger than the sum of its proper divisors (12730826512955).

63654132564745 is a wasteful number, since it uses less digits than its factorization.

63654132564745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730826512954.

The product of its digits is 217728000, while the sum is 61.

The spelling of 63654132564745 in words is "sixty-three trillion, six hundred fifty-four billion, one hundred thirty-two million, five hundred sixty-four thousand, seven hundred forty-five".