65224366242641 has 4 divisors (see below), whose sum is σ = 66143019288384. Its totient is φ = 64305713196900.

The previous prime is 65224366242461. The next prime is 65224366242661. The reversal of 65224366242641 is 14624266342256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65224366242641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65224366242661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459326522765 + ... + 459326522906.

It is an arithmetic number, because the mean of its divisors is an integer number (16535754822096).

Almost surely, 2^{65224366242641} is an apocalyptic number.

It is an amenable number.

65224366242641 is a deficient number, since it is larger than the sum of its proper divisors (918653045743).

65224366242641 is an equidigital number, since it uses as much as digits as its factorization.

65224366242641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918653045742.

The product of its digits is 19906560, while the sum is 53.

The spelling of 65224366242641 in words is "sixty-five trillion, two hundred twenty-four billion, three hundred sixty-six million, two hundred forty-two thousand, six hundred forty-one".