650577749056 has 21 divisors (see below), whose sum is σ = 1291003025431. Its totient is φ = 325285648192.

The previous prime is 650577749051. The next prime is 650577749117. The reversal of 650577749056 is 650947775056.

It is a happy number.

The square root of 650577749056 is 806584.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×650577749056² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650577748985 and 650577749003.

It is not an unprimeable number, because it can be changed into a prime (650577749051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6402261 + ... + 6503083.

Almost surely, 2^650577749056 is an apocalyptic number.

650577749056 is the 806584-th square number.

It is an amenable number.

650577749056 is a deficient number, since it is larger than the sum of its proper divisors (640425276375).

650577749056 is an frugal number, since it uses more digits than its factorization.

650577749056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201658 (or 100825 counting only the distinct ones).

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

The spelling of 650577749056 in words is "six hundred fifty billion, five hundred seventy-seven million, seven hundred forty-nine thousand, fifty-six".