650789441 has 4 divisors (see below), whose sum is σ = 650842500. Its totient is φ = 650736384.

The previous prime is 650789437. The next prime is 650789453. The reversal of 650789441 is 144987056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 446899600 + 203889841 = 21140^2 + 14279^2 .

It is a cyclic number.

It is not a de Polignac number, because 650789441 - 2² = 650789437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650789392 and 650789401.

It is not an unprimeable number, because it can be changed into a prime (650789431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345 + ... + 36153.

It is an arithmetic number, because the mean of its divisors is an integer number (162710625).

Almost surely, 2^650789441 is an apocalyptic number.

It is an amenable number.

650789441 is a deficient number, since it is larger than the sum of its proper divisors (53059).

650789441 is a wasteful number, since it uses less digits than its factorization.

650789441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53058.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 650789441 is about 25510.5750817186. The cubic root of 650789441 is about 866.5896530350.

The spelling of 650789441 in words is "six hundred fifty million, seven hundred eighty-nine thousand, four hundred forty-one".