650434400216 has 8 divisors (see below), whose sum is σ = 1219564500420. Its totient is φ = 325217200104.

The previous prime is 650434400149. The next prime is 650434400227. The reversal of 650434400216 is 612004434056.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40652150006 + ... + 40652150021.

Almost surely, 2^650434400216 is an apocalyptic number.

It is an amenable number.

650434400216 is a deficient number, since it is larger than the sum of its proper divisors (569130100204).

650434400216 is a wasteful number, since it uses less digits than its factorization.

650434400216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81304300033 (or 81304300029 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 650434400216 in words is "six hundred fifty billion, four hundred thirty-four million, four hundred thousand, two hundred sixteen".