65040074418617 has 4 divisors (see below), whose sum is σ = 65048122944756. Its totient is φ = 65032025892480.

The previous prime is 65040074418601. The next prime is 65040074418677. The reversal of 65040074418617 is 71681447004056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6958284276736 + 58081790141881 = 2637856^2 + 7621141^2 .

It is a cyclic number.

It is not a de Polignac number, because 65040074418617 - 2⁴ = 65040074418601 is a prime.

It is a super-3 number, since 3×65040074418617³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65040074418677) 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, 4024250948 + ... + 4024267109.

It is an arithmetic number, because the mean of its divisors is an integer number (16262030736189).

Almost surely, 2^{65040074418617} is an apocalyptic number.

It is an amenable number.

65040074418617 is a deficient number, since it is larger than the sum of its proper divisors (8048526139).

65040074418617 is an equidigital number, since it uses as much as digits as its factorization.

65040074418617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048526138.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 65040074418617 in words is "sixty-five trillion, forty billion, seventy-four million, four hundred eighteen thousand, six hundred seventeen".