650814637768 has 16 divisors (see below), whose sum is σ = 1220330684160. Its totient is φ = 325393122000.

The previous prime is 650814637741. The next prime is 650814637783. The reversal of 650814637768 is 867736418056.

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, 1578508 + ... + 1947643.

It is an arithmetic number, because the mean of its divisors is an integer number (76270667760).

Almost surely, 2^650814637768 is an apocalyptic number.

It is an amenable number.

650814637768 is a deficient number, since it is larger than the sum of its proper divisors (569516046392).

650814637768 is a wasteful number, since it uses less digits than its factorization.

650814637768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549228 (or 3549224 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 650814637768 in words is "six hundred fifty billion, eight hundred fourteen million, six hundred thirty-seven thousand, seven hundred sixty-eight".