65839514417 has 16 divisors (see below), whose sum is σ = 67602522240. Its totient is φ = 64097759232.

The previous prime is 65839514399. The next prime is 65839514431. The reversal of 65839514417 is 71441593856.

65839514417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65839514417 - 2²⁰ = 65838465841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65839517417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3573134 + ... + 3591512.

It is an arithmetic number, because the mean of its divisors is an integer number (4225157640).

Almost surely, 2^65839514417 is an apocalyptic number.

It is an amenable number.

65839514417 is a deficient number, since it is larger than the sum of its proper divisors (1763007823).

65839514417 is a wasteful number, since it uses less digits than its factorization.

65839514417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18952.

The product of its digits is 3628800, while the sum is 53.

The spelling of 65839514417 in words is "sixty-five billion, eight hundred thirty-nine million, five hundred fourteen thousand, four hundred seventeen".