650018836920 has 32 divisors (see below), whose sum is σ = 1950056511120. Its totient is φ = 173338356480.

The previous prime is 650018836861. The next prime is 650018836939. The reversal of 650018836920 is 29638810056.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 650018836920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708411701 + ... + 2708411940.

Almost surely, 2^650018836920 is an apocalyptic number.

650018836920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650018836920 is an abundant number, since it is smaller than the sum of its proper divisors (1300037674200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650018836920 is a wasteful number, since it uses less digits than its factorization.

650018836920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416823655 (or 5416823651 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 650018836920 in words is "six hundred fifty billion, eighteen million, eight hundred thirty-six thousand, nine hundred twenty".