650149197 has 4 divisors (see below), whose sum is σ = 866865600. Its totient is φ = 433432796.

The previous prime is 650149153. The next prime is 650149217. The reversal of 650149197 is 791941056.

650149197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 650149197 - 2⁷ = 650149069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650148197) 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, 108358197 + ... + 108358202.

It is an arithmetic number, because the mean of its divisors is an integer number (216716400).

Almost surely, 2^650149197 is an apocalyptic number.

It is an amenable number.

650149197 is a deficient number, since it is larger than the sum of its proper divisors (216716403).

650149197 is a wasteful number, since it uses less digits than its factorization.

650149197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216716402.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 650149197 is about 25498.0233939810. The cubic root of 650149197 is about 866.3053773351.

The spelling of 650149197 in words is "six hundred fifty million, one hundred forty-nine thousand, one hundred ninety-seven".