65343613734 has 64 divisors (see below), whose sum is σ = 166203732480. Its totient is φ = 18641288160.

The previous prime is 65343613667. The next prime is 65343613837. The reversal of 65343613734 is 43731634356.

65343613734 is a `hidden beast` number, since 6 + 53 + 436 + 137 + 34 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65343613734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119097 + ... + 380619.

It is an arithmetic number, because the mean of its divisors is an integer number (2596933320).

Almost surely, 2^65343613734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65343613734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83101866240).

65343613734 is an abundant number, since it is smaller than the sum of its proper divisors (100860118746).

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

65343613734 is a wasteful number, since it uses less digits than its factorization.

65343613734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262202 (or 262196 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 45.

The spelling of 65343613734 in words is "sixty-five billion, three hundred forty-three million, six hundred thirteen thousand, seven hundred thirty-four".