63265722321 has 8 divisors (see below), whose sum is σ = 88793996320. Its totient is φ = 39957298272.

The previous prime is 63265722257. The next prime is 63265722323. The reversal of 63265722321 is 12322756236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63265722321 - 2⁶ = 63265722257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63265722321.

It is not an unprimeable number, because it can be changed into a prime (63265722323) 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 7 ways as a sum of consecutive naturals, for example, 554962420 + ... + 554962533.

It is an arithmetic number, because the mean of its divisors is an integer number (11099249540).

Almost surely, 2^63265722321 is an apocalyptic number.

It is an amenable number.

63265722321 is a deficient number, since it is larger than the sum of its proper divisors (25528273999).

63265722321 is a wasteful number, since it uses less digits than its factorization.

63265722321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109924975.

The product of its digits is 181440, while the sum is 39.

The spelling of 63265722321 in words is "sixty-three billion, two hundred sixty-five million, seven hundred twenty-two thousand, three hundred twenty-one".