65609653253 has 8 divisors (see below), whose sum is σ = 65778713088. Its totient is φ = 65440804464.

The previous prime is 65609653231. The next prime is 65609653259. The reversal of 65609653253 is 35235690656.

65609653253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65609653253 - 2⁶ = 65609653189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65609653259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579500 + ... + 683402.

It is an arithmetic number, because the mean of its divisors is an integer number (8222339136).

Almost surely, 2^65609653253 is an apocalyptic number.

It is an amenable number.

65609653253 is a deficient number, since it is larger than the sum of its proper divisors (169059835).

65609653253 is a wasteful number, since it uses less digits than its factorization.

65609653253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105523.

The product of its (nonzero) digits is 4374000, while the sum is 50.

The spelling of 65609653253 in words is "sixty-five billion, six hundred nine million, six hundred fifty-three thousand, two hundred fifty-three".