65221675447753 has 8 divisors (see below), whose sum is σ = 71151543748800. Its totient is φ = 59291911326480.

The previous prime is 65221675447723. The next prime is 65221675447757. The reversal of 65221675447753 is 35774457612256.

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

It is a cyclic number.

It is not a de Polignac number, because 65221675447753 - 2⁹ = 65221675447241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65221675447757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24733053 + ... + 27242746.

It is an arithmetic number, because the mean of its divisors is an integer number (8893942968600).

Almost surely, 2^{65221675447753} is an apocalyptic number.

It is an amenable number.

65221675447753 is a deficient number, since it is larger than the sum of its proper divisors (5929868301047).

65221675447753 is a wasteful number, since it uses less digits than its factorization.

65221675447753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52089887.

The product of its digits is 296352000, while the sum is 64.

The spelling of 65221675447753 in words is "sixty-five trillion, two hundred twenty-one billion, six hundred seventy-five million, four hundred forty-seven thousand, seven hundred fifty-three".