65865682434 has 16 divisors (see below), whose sum is σ = 131794509888. Its totient is φ = 21944703312.

The previous prime is 65865682433. The next prime is 65865682447. The reversal of 65865682434 is 43428656856.

It is a happy number.

65865682434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65865682433) 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, 2617477 + ... + 2642520.

It is an arithmetic number, because the mean of its divisors is an integer number (8237156868).

Almost surely, 2^65865682434 is an apocalyptic number.

65865682434 is an abundant number, since it is smaller than the sum of its proper divisors (65928827454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65865682434 is a wasteful number, since it uses less digits than its factorization.

65865682434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262089.

The product of its digits is 33177600, while the sum is 57.

The spelling of 65865682434 in words is "sixty-five billion, eight hundred sixty-five million, six hundred eighty-two thousand, four hundred thirty-four".