65268066823 has 4 divisors (see below), whose sum is σ = 65400996168. Its totient is φ = 65135137480.

The previous prime is 65268066821. The next prime is 65268066863. The reversal of 65268066823 is 32866086256.

65268066823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65268066823 - 2¹ = 65268066821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65268066821) 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, 66463936 + ... + 66464917.

It is an arithmetic number, because the mean of its divisors is an integer number (16350249042).

Almost surely, 2^65268066823 is an apocalyptic number.

65268066823 is a deficient number, since it is larger than the sum of its proper divisors (132929345).

65268066823 is a wasteful number, since it uses less digits than its factorization.

65268066823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132929344.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 65268066823 in words is "sixty-five billion, two hundred sixty-eight million, sixty-six thousand, eight hundred twenty-three".