650512215505223 has 16 divisors (see below), whose sum is σ = 679090856675616. Its totient is φ = 622576465405440.

The previous prime is 650512215505129. The next prime is 650512215505261. The reversal of 650512215505223 is 322505512215056.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 650512215505223 - 2¹⁰ = 650512215504199 is a prime.

It is a super-2 number, since 2×650512215505223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650512215505283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185806790 + ... + 189275427.

It is an arithmetic number, because the mean of its divisors is an integer number (42443178542226).

Almost surely, 2^{650512215505223} is an apocalyptic number.

650512215505223 is a deficient number, since it is larger than the sum of its proper divisors (28578641170393).

650512215505223 is a wasteful number, since it uses less digits than its factorization.

650512215505223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375083074.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 650512215505223 in words is "six hundred fifty trillion, five hundred twelve billion, two hundred fifteen million, five hundred five thousand, two hundred twenty-three".