65634413622 has 32 divisors (see below), whose sum is σ = 131886012672. Its totient is φ = 21775331424.

The previous prime is 65634413617. The next prime is 65634413623. The reversal of 65634413622 is 22631443656.

It is a happy number.

65634413622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65634413623) 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, 7586103 + ... + 7594749.

It is an arithmetic number, because the mean of its divisors is an integer number (4121437896).

Almost surely, 2^65634413622 is an apocalyptic number.

65634413622 is an abundant number, since it is smaller than the sum of its proper divisors (66251599050).

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

65634413622 is a wasteful number, since it uses less digits than its factorization.

65634413622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14452.

The product of its digits is 622080, while the sum is 42.

It can be divided in two parts, 656344 and 13622, that added together give a palindrome (669966).

The spelling of 65634413622 in words is "sixty-five billion, six hundred thirty-four million, four hundred thirteen thousand, six hundred twenty-two".