650443443253 has 16 divisors (see below), whose sum is σ = 666814014720. Its totient is φ = 634280984064.

The previous prime is 650443443211. The next prime is 650443443257. The reversal of 650443443253 is 352344344056.

It is a de Polignac number, because none of the positive numbers 2^k-650443443253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650443443257) 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, 24857625 + ... + 24883777.

It is an arithmetic number, because the mean of its divisors is an integer number (41675875920).

Almost surely, 2^650443443253 is an apocalyptic number.

It is an amenable number.

650443443253 is a deficient number, since it is larger than the sum of its proper divisors (16370571467).

650443443253 is a wasteful number, since it uses less digits than its factorization.

650443443253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30108.

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 650443443253 in words is "six hundred fifty billion, four hundred forty-three million, four hundred forty-three thousand, two hundred fifty-three".