650291449 has 2 divisors, whose sum is σ = 650291450. Its totient is φ = 650291448.

The previous prime is 650291437. The next prime is 650291459. The reversal of 650291449 is 944192056.

650291449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428490000 + 221801449 = 20700^2 + 14893^2 .

It is a cyclic number.

It is not a de Polignac number, because 650291449 - 2⁵ = 650291417 is a prime.

It is not a weakly prime, because it can be changed into another prime (650291459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325145724 + 325145725.

It is an arithmetic number, because the mean of its divisors is an integer number (325145725).

Almost surely, 2^650291449 is an apocalyptic number.

It is an amenable number.

650291449 is a deficient number, since it is larger than the sum of its proper divisors (1).

650291449 is an equidigital number, since it uses as much as digits as its factorization.

650291449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 650291449 is about 25500.8127125392. The cubic root of 650291449 is about 866.3685549803.

The spelling of 650291449 in words is "six hundred fifty million, two hundred ninety-one thousand, four hundred forty-nine".