650947775056 has 20 divisors (see below), whose sum is σ = 1263779987904. Its totient is φ = 324811004000.

The previous prime is 650947775039. The next prime is 650947775059. The reversal of 650947775056 is 650577749056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 650947774985 and 650947775003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650947775059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41422120 + ... + 41437831.

Almost surely, 2^650947775056 is an apocalyptic number.

It is an amenable number.

650947775056 is a deficient number, since it is larger than the sum of its proper divisors (612832212848).

650947775056 is a wasteful number, since it uses less digits than its factorization.

650947775056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82860450 (or 82860444 counting only the distinct ones).

The product of its (nonzero) digits is 55566000, while the sum is 61.

The spelling of 650947775056 in words is "six hundred fifty billion, nine hundred forty-seven million, seven hundred seventy-five thousand, fifty-six".