65368206247 has 8 divisors (see below), whose sum is σ = 65490163200. Its totient is φ = 65246361624.

The previous prime is 65368206173. The next prime is 65368206257. The reversal of 65368206247 is 74260286356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65368206247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65368206247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65368206257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185198 + ... + 1239124.

It is an arithmetic number, because the mean of its divisors is an integer number (8186270400).

Almost surely, 2^65368206247 is an apocalyptic number.

65368206247 is a deficient number, since it is larger than the sum of its proper divisors (121956953).

65368206247 is a wasteful number, since it uses less digits than its factorization.

65368206247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56165.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 65368206247 in words is "sixty-five billion, three hundred sixty-eight million, two hundred six thousand, two hundred forty-seven".