65245012688 has 10 divisors (see below), whose sum is σ = 126412212114. Its totient is φ = 32622506336.

The previous prime is 65245012687. The next prime is 65245012697. The reversal of 65245012688 is 88621054256.

It can be written as a sum of positive squares in only one way, i.e., 48185518144 + 17059494544 = 219512^2 + 130612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65245012687) by changing a digit.

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 as a sum of consecutive naturals, namely, 2038906631 + ... + 2038906662.

Almost surely, 2^65245012688 is an apocalyptic number.

It is an amenable number.

65245012688 is a deficient number, since it is larger than the sum of its proper divisors (61167199426).

65245012688 is a wasteful number, since it uses less digits than its factorization.

65245012688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077813301 (or 4077813295 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 65245012688 in words is "sixty-five billion, two hundred forty-five million, twelve thousand, six hundred eighty-eight".