650561065612 has 12 divisors (see below), whose sum is σ = 1138488139096. Its totient is φ = 325278740160.

The previous prime is 650561065607. The next prime is 650561065657. The reversal of 650561065612 is 216560165056.

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 3 ways as a sum of consecutive naturals, for example, 688948 + ... + 1332580.

Almost surely, 2^650561065612 is an apocalyptic number.

It is an amenable number.

650561065612 is a deficient number, since it is larger than the sum of its proper divisors (487927073484).

650561065612 is a wasteful number, since it uses less digits than its factorization.

650561065612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896328 (or 896326 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 650561065612 in words is "six hundred fifty billion, five hundred sixty-one million, sixty-five thousand, six hundred twelve".