650109445906 has 16 divisors (see below), whose sum is σ = 982777134240. Its totient is φ = 322517921440.

The previous prime is 650109445901. The next prime is 650109445939. The reversal of 650109445906 is 609544901056.

It is a self number, because there is not a number n which added to its sum of digits gives 650109445906.

It is not an unprimeable number, because it can be changed into a prime (650109445901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334625 + ... + 1755403.

It is an arithmetic number, because the mean of its divisors is an integer number (61423570890).

Almost surely, 2^650109445906 is an apocalyptic number.

650109445906 is a deficient number, since it is larger than the sum of its proper divisors (332667688334).

650109445906 is a wasteful number, since it uses less digits than its factorization.

650109445906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426809.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 650109445906 in words is "six hundred fifty billion, one hundred nine million, four hundred forty-five thousand, nine hundred six".