649195150 has 36 divisors (see below), whose sum is σ = 1282739328. Its totient is φ = 244397440.

The previous prime is 649195139. The next prime is 649195159. The reversal of 649195150 is 51591946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649195159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8014 + ... + 36913.

It is an arithmetic number, because the mean of its divisors is an integer number (35631648).

Almost surely, 2^649195150 is an apocalyptic number.

649195150 is a deficient number, since it is larger than the sum of its proper divisors (633544178).

649195150 is a wasteful number, since it uses less digits than its factorization.

649195150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44973 (or 44951 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 649195150 is about 25479.3082716152. The cubic root of 649195150 is about 865.8814230313.

The spelling of 649195150 in words is "six hundred forty-nine million, one hundred ninety-five thousand, one hundred fifty".