650449059 has 24 divisors (see below), whose sum is σ = 988551360. Its totient is φ = 379203552.

The previous prime is 650449057. The next prime is 650449061. The reversal of 650449059 is 950944056.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (650449057) and next prime (650449061).

It is not a de Polignac number, because 650449059 - 2¹ = 650449057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650449059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650449057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24129 + ... + 43394.

It is an arithmetic number, because the mean of its divisors is an integer number (41189640).

Almost surely, 2^650449059 is an apocalyptic number.

650449059 is a deficient number, since it is larger than the sum of its proper divisors (338102301).

650449059 is a wasteful number, since it uses less digits than its factorization.

650449059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67571 (or 67558 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 650449059 is about 25503.9028189805. The cubic root of 650449059 is about 866.4385427363.

The spelling of 650449059 in words is "six hundred fifty million, four hundred forty-nine thousand, fifty-nine".