65317653653 has 4 divisors (see below), whose sum is σ = 74648747040. Its totient is φ = 55986560268.

The previous prime is 65317653619. The next prime is 65317653659. The reversal of 65317653653 is 35635671356.

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 not a de Polignac number, because 65317653653 - 2⁸ = 65317653397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65317653659) 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, 4665546683 + ... + 4665546696.

It is an arithmetic number, because the mean of its divisors is an integer number (18662186760).

Almost surely, 2^65317653653 is an apocalyptic number.

It is an amenable number.

65317653653 is a deficient number, since it is larger than the sum of its proper divisors (9331093387).

65317653653 is an equidigital number, since it uses as much as digits as its factorization.

65317653653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331093386.

The product of its digits is 5103000, while the sum is 50.

The spelling of 65317653653 in words is "sixty-five billion, three hundred seventeen million, six hundred fifty-three thousand, six hundred fifty-three".