650933869 has 2 divisors, whose sum is σ = 650933870. Its totient is φ = 650933868.

The previous prime is 650933861. The next prime is 650933873. The reversal of 650933869 is 968339056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525784900 + 125148969 = 22930^2 + 11187^2 .

It is a cyclic number.

It is not a de Polignac number, because 650933869 - 2³ = 650933861 is a prime.

It is a super-2 number, since 2×650933869² = 847429803622618322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650933861) 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 as a sum of consecutive naturals, namely, 325466934 + 325466935.

It is an arithmetic number, because the mean of its divisors is an integer number (325466935).

Almost surely, 2^650933869 is an apocalyptic number.

It is an amenable number.

650933869 is a deficient number, since it is larger than the sum of its proper divisors (1).

650933869 is an equidigital number, since it uses as much as digits as its factorization.

650933869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 650933869 is about 25513.4056723127. The cubic root of 650933869 is about 866.6537549523.

The spelling of 650933869 in words is "six hundred fifty million, nine hundred thirty-three thousand, eight hundred sixty-nine".