650684283861 has 4 divisors (see below), whose sum is σ = 867579045152. Its totient is φ = 433789522572.

The previous prime is 650684283811. The next prime is 650684283863. The reversal of 650684283861 is 168382486056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 650684283861 - 2²⁵ = 650650729429 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 (650684283863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108447380641 + ... + 108447380646.

It is an arithmetic number, because the mean of its divisors is an integer number (216894761288).

Almost surely, 2^650684283861 is an apocalyptic number.

It is an amenable number.

650684283861 is a deficient number, since it is larger than the sum of its proper divisors (216894761291).

650684283861 is a wasteful number, since it uses less digits than its factorization.

650684283861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216894761290.

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 650684283861 in words is "six hundred fifty billion, six hundred eighty-four million, two hundred eighty-three thousand, eight hundred sixty-one".