650065655 has 4 divisors (see below), whose sum is σ = 780078792. Its totient is φ = 520052520.

The previous prime is 650065643. The next prime is 650065673. The reversal of 650065655 is 556560056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 650065655 - 2¹⁴ = 650049271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65006561 + ... + 65006570.

It is an arithmetic number, because the mean of its divisors is an integer number (195019698).

Almost surely, 2^650065655 is an apocalyptic number.

650065655 is a deficient number, since it is larger than the sum of its proper divisors (130013137).

650065655 is a wasteful number, since it uses less digits than its factorization.

650065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130013136.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 650065655 is about 25496.3851359364. The cubic root of 650065655 is about 866.2682699633.

The spelling of 650065655 in words is "six hundred fifty million, sixty-five thousand, six hundred fifty-five".