650142673 has 2 divisors, whose sum is σ = 650142674. Its totient is φ = 650142672.

The previous prime is 650142659. The next prime is 650142707. The reversal of 650142673 is 376241056.

It is a happy number.

It is an a-pointer prime, because the next prime (650142707) can be obtained adding 650142673 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431309824 + 218832849 = 20768^2 + 14793^2 .

It is a cyclic number.

It is not a de Polignac number, because 650142673 - 2¹³ = 650134481 is a prime.

It is not a weakly prime, because it can be changed into another prime (650142613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325071336 + 325071337.

It is an arithmetic number, because the mean of its divisors is an integer number (325071337).

Almost surely, 2^650142673 is an apocalyptic number.

It is an amenable number.

650142673 is a deficient number, since it is larger than the sum of its proper divisors (1).

650142673 is an equidigital number, since it uses as much as digits as its factorization.

650142673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 650142673 is about 25497.8954621749. The cubic root of 650142673 is about 866.3024796437.

The spelling of 650142673 in words is "six hundred fifty million, one hundred forty-two thousand, six hundred seventy-three".