650786642 has 24 divisors (see below), whose sum is σ = 1079483328. Its totient is φ = 294022520.

The previous prime is 650786641. The next prime is 650786657. The reversal of 650786642 is 246687056.

650786642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 650786593 and 650786602.

It is not an unprimeable number, because it can be changed into a prime (650786641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32363 + ... + 48465.

It is an arithmetic number, because the mean of its divisors is an integer number (44978472).

Almost surely, 2^650786642 is an apocalyptic number.

650786642 is a deficient number, since it is larger than the sum of its proper divisors (428696686).

650786642 is a wasteful number, since it uses less digits than its factorization.

650786642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294 (or 16283 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 650786642 is about 25510.5202220574. The cubic root of 650786642 is about 866.5884106527.

The spelling of 650786642 in words is "six hundred fifty million, seven hundred eighty-six thousand, six hundred forty-two".