65855283645 has 8 divisors (see below), whose sum is σ = 105368453856. Its totient is φ = 35122817936.

The previous prime is 65855283643. The next prime is 65855283649. The reversal of 65855283645 is 54638255856.

It is a happy number.

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 65855283645 - 2¹ = 65855283643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855283643) 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, 2195176107 + ... + 2195176136.

It is an arithmetic number, because the mean of its divisors is an integer number (13171056732).

Almost surely, 2^65855283645 is an apocalyptic number.

It is an amenable number.

65855283645 is a deficient number, since it is larger than the sum of its proper divisors (39513170211).

65855283645 is a wasteful number, since it uses less digits than its factorization.

65855283645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390352251.

The product of its digits is 34560000, while the sum is 57.

The spelling of 65855283645 in words is "sixty-five billion, eight hundred fifty-five million, two hundred eighty-three thousand, six hundred forty-five".