65017322242643 has 4 divisors (see below), whose sum is σ = 65055590238600. Its totient is φ = 64979054246688.

The previous prime is 65017322242597. The next prime is 65017322242651. The reversal of 65017322242643 is 34624222371056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65017322242643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65017322242693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19133995430 + ... + 19133998827.

It is an arithmetic number, because the mean of its divisors is an integer number (16263897559650).

Almost surely, 2^{65017322242643} is an apocalyptic number.

65017322242643 is a deficient number, since it is larger than the sum of its proper divisors (38267995957).

65017322242643 is a wasteful number, since it uses less digits than its factorization.

65017322242643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38267995956.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 65017322242643 in words is "sixty-five trillion, seventeen billion, three hundred twenty-two million, two hundred forty-two thousand, six hundred forty-three".