650894773 has 2 divisors, whose sum is σ = 650894774. Its totient is φ = 650894772.

The previous prime is 650894747. The next prime is 650894789. The reversal of 650894773 is 377498056.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630662769 + 20232004 = 25113^2 + 4498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650894773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650894743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325447386 + 325447387.

It is an arithmetic number, because the mean of its divisors is an integer number (325447387).

Almost surely, 2^650894773 is an apocalyptic number.

It is an amenable number.

650894773 is a deficient number, since it is larger than the sum of its proper divisors (1).

650894773 is an equidigital number, since it uses as much as digits as its factorization.

650894773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 650894773 is about 25512.6394753659. The cubic root of 650894773 is about 866.6364037921.

The spelling of 650894773 in words is "six hundred fifty million, eight hundred ninety-four thousand, seven hundred seventy-three".