63644665163314 has 4 divisors (see below), whose sum is σ = 95466997744974. Its totient is φ = 31822332581656.

The previous prime is 63644665163311. The next prime is 63644665163327. The reversal of 63644665163314 is 41336156644636.

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

It can be written as a sum of positive squares in only one way, i.e., 54993095927289 + 8651569236025 = 7415733^2 + 2941355^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63644665163311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15911166290827 + ... + 15911166290830.

Almost surely, 2^{63644665163314} is an apocalyptic number.

63644665163314 is a deficient number, since it is larger than the sum of its proper divisors (31822332581660).

63644665163314 is a wasteful number, since it uses less digits than its factorization.

63644665163314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822332581659.

The product of its digits is 67184640, while the sum is 58.

The spelling of 63644665163314 in words is "sixty-three trillion, six hundred forty-four billion, six hundred sixty-five million, one hundred sixty-three thousand, three hundred fourteen".