650727212650 has 12 divisors (see below), whose sum is σ = 1210352615622. Its totient is φ = 260290885040.

The previous prime is 650727212647. The next prime is 650727212747. The reversal of 650727212650 is 56212727056.

It can be written as a sum of positive squares in 3 ways, for example, as 429374841289 + 221352371361 = 655267^2 + 470481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650727212597 and 650727212606.

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 5 ways as a sum of consecutive naturals, for example, 6507272077 + ... + 6507272176.

Almost surely, 2^650727212650 is an apocalyptic number.

650727212650 is a deficient number, since it is larger than the sum of its proper divisors (559625402972).

650727212650 is a wasteful number, since it uses less digits than its factorization.

650727212650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014544265 (or 13014544260 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 650727212650 in words is "six hundred fifty billion, seven hundred twenty-seven million, two hundred twelve thousand, six hundred fifty".