65104444468481 has 12 divisors (see below), whose sum is σ = 73388001174192. Its totient is φ = 57276637353000.

The previous prime is 65104444468463. The next prime is 65104444468523. The reversal of 65104444468481 is 18486444440156.

It is not a de Polignac number, because 65104444468481 - 2⁶ = 65104444468417 is a prime.

It is a super-2 number, since 2×65104444468481² (a number of 28 digits) contains 22 as substring.

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 65104444468481.

It is not an unprimeable number, because it can be changed into a prime (65104444468421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3079378535 + ... + 3079399676.

It is an arithmetic number, because the mean of its divisors is an integer number (6115666764516).

Almost surely, 2^{65104444468481} is an apocalyptic number.

It is an amenable number.

65104444468481 is a deficient number, since it is larger than the sum of its proper divisors (8283556705711).

65104444468481 is a wasteful number, since it uses less digits than its factorization.

65104444468481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158778284 (or 6158778253 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 59.

The spelling of 65104444468481 in words is "sixty-five trillion, one hundred four billion, four hundred forty-four million, four hundred sixty-eight thousand, four hundred eighty-one".