65043434056 has 32 divisors (see below), whose sum is σ = 123619154400. Its totient is φ = 32079554560.

The previous prime is 65043434051. The next prime is 65043434063.

It is a happy number.

65043434056 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65043434056² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65043434051) 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, 349215 + ... + 502033.

It is an arithmetic number, because the mean of its divisors is an integer number (3863098575).

Almost surely, 2^65043434056 is an apocalyptic number.

It is an amenable number.

65043434056 is a deficient number, since it is larger than the sum of its proper divisors (58575720344).

65043434056 is a wasteful number, since it uses less digits than its factorization.

65043434056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153549 (or 153545 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 65043434056 in words is "sixty-five billion, forty-three million, four hundred thirty-four thousand, fifty-six".