65243600634256 has 40 divisors (see below), whose sum is σ = 138009066854400. Its totient is φ = 29632994997120.

The previous prime is 65243600634241. The next prime is 65243600634257.

65243600634256 is nontrivially palindromic in base 10.

65243600634256 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 (65243600634257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144693691 + ... + 145143898.

It is an arithmetic number, because the mean of its divisors is an integer number (3450226671360).

Almost surely, 2^{65243600634256} is an apocalyptic number.

It is an amenable number.

65243600634256 is an abundant number, since it is smaller than the sum of its proper divisors (72765466220144).

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

65243600634256 is a wasteful number, since it uses less digits than its factorization.

65243600634256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289838887 (or 289838881 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

It can be divided in two parts, 65243600 and 634256, that added together give a palindrome (65877856).

The spelling of 65243600634256 in words is "sixty-five trillion, two hundred forty-three billion, six hundred million, six hundred thirty-four thousand, two hundred fifty-six".