650427009 has 8 divisors (see below), whose sum is σ = 873475680. Its totient is φ = 430498176.

The previous prime is 650426977. The next prime is 650427023. The reversal of 650427009 is 900724056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 650427009 - 2⁵ = 650426977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650427049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779472 + ... + 780305.

It is an arithmetic number, because the mean of its divisors is an integer number (109184460).

Almost surely, 2^650427009 is an apocalyptic number.

It is an amenable number.

650427009 is a deficient number, since it is larger than the sum of its proper divisors (223048671).

650427009 is a wasteful number, since it uses less digits than its factorization.

650427009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559919.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 650427009 is about 25503.4705285379. The cubic root of 650427009 is about 866.4287519692.

The spelling of 650427009 in words is "six hundred fifty million, four hundred twenty-seven thousand, nine".