650727212746 has 16 divisors (see below), whose sum is σ = 1113008536584. Its totient is φ = 282668834304.

The previous prime is 650727212647. The next prime is 650727212747. The reversal of 650727212746 is 647212727056.

It can be written as a sum of positive squares in 4 ways, for example, as 640462483521 + 10264729225 = 800289^2 + 101315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 650727212746.

It is not an unprimeable number, because it can be changed into a prime (650727212747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 736116315 + ... + 736117198.

Almost surely, 2^650727212746 is an apocalyptic number.

650727212746 is a deficient number, since it is larger than the sum of its proper divisors (462281323838).

650727212746 is a wasteful number, since it uses less digits than its factorization.

650727212746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472233545.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 650727212746 in words is "six hundred fifty billion, seven hundred twenty-seven million, two hundred twelve thousand, seven hundred forty-six".