63305320965 has 16 divisors (see below), whose sum is σ = 101507290368. Its totient is φ = 33689912256.

The previous prime is 63305320963. The next prime is 63305321041. The reversal of 63305320965 is 56902350336.

It is not a de Polignac number, because 63305320965 - 2¹ = 63305320963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63305320963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4550674 + ... + 4564563.

It is an arithmetic number, because the mean of its divisors is an integer number (6344205648).

Almost surely, 2^63305320965 is an apocalyptic number.

It is an amenable number.

63305320965 is a deficient number, since it is larger than the sum of its proper divisors (38201969403).

63305320965 is a wasteful number, since it uses less digits than its factorization.

63305320965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115708.

The product of its (nonzero) digits is 437400, while the sum is 42.

The spelling of 63305320965 in words is "sixty-three billion, three hundred five million, three hundred twenty thousand, nine hundred sixty-five".