65773248321 has 16 divisors (see below), whose sum is σ = 97291710720. Its totient is φ = 39186936720.

The previous prime is 65773248269. The next prime is 65773248323. The reversal of 65773248321 is 12384237756.

It is not a de Polignac number, because 65773248321 - 2⁶ = 65773248257 is a prime.

It is a super-2 number, since 2×65773248321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65773248323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16888975 + ... + 16892868.

It is an arithmetic number, because the mean of its divisors is an integer number (6080731920).

Almost surely, 2^65773248321 is an apocalyptic number.

It is an amenable number.

65773248321 is a deficient number, since it is larger than the sum of its proper divisors (31518462399).

65773248321 is a wasteful number, since it uses less digits than its factorization.

65773248321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33781916.

The product of its digits is 1693440, while the sum is 48.

The spelling of 65773248321 in words is "sixty-five billion, seven hundred seventy-three million, two hundred forty-eight thousand, three hundred twenty-one".