65840013063 has 48 divisors (see below), whose sum is σ = 104408928000. Its totient is φ = 39649357440.

The previous prime is 65840013061. The next prime is 65840013119. The reversal of 65840013063 is 36031004856.

65840013063 is a `hidden beast` number, since 6 + 584 + 0 + 0 + 13 + 0 + 63 = 666.

It is not a de Polignac number, because 65840013063 - 2¹ = 65840013061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65840013061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18655083 + ... + 18658611.

It is an arithmetic number, because the mean of its divisors is an integer number (2175186000).

Almost surely, 2^65840013063 is an apocalyptic number.

65840013063 is a deficient number, since it is larger than the sum of its proper divisors (38568914937).

65840013063 is a wasteful number, since it uses less digits than its factorization.

65840013063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4689 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 65840013063 in words is "sixty-five billion, eight hundred forty million, thirteen thousand, sixty-three".