650289669 has 4 divisors (see below), whose sum is σ = 867052896. Its totient is φ = 433526444.

The previous prime is 650289599. The next prime is 650289683. The reversal of 650289669 is 966982056.

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 a cyclic number.

It is not a de Polignac number, because 650289669 - 2²⁹ = 113418757 is a prime.

It is a super-2 number, since 2×650289669² = 845753307216259122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650289469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108381609 + ... + 108381614.

It is an arithmetic number, because the mean of its divisors is an integer number (216763224).

Almost surely, 2^650289669 is an apocalyptic number.

It is an amenable number.

650289669 is a deficient number, since it is larger than the sum of its proper divisors (216763227).

650289669 is a wasteful number, since it uses less digits than its factorization.

650289669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216763226.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 650289669 is about 25500.7778116668. Note that the first 3 decimals coincide. The cubic root of 650289669 is about 866.3677644950.

The spelling of 650289669 in words is "six hundred fifty million, two hundred eighty-nine thousand, six hundred sixty-nine".