650023189 has 2 divisors, whose sum is σ = 650023190. Its totient is φ = 650023188.

The previous prime is 650023183. The next prime is 650023223. The reversal of 650023189 is 981320056.

650023189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (650023223) can be obtained adding 650023189 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., 632924964 + 17098225 = 25158^2 + 4135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650023189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650023183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325011594 + 325011595.

It is an arithmetic number, because the mean of its divisors is an integer number (325011595).

Almost surely, 2^650023189 is an apocalyptic number.

It is an amenable number.

650023189 is a deficient number, since it is larger than the sum of its proper divisors (1).

650023189 is an equidigital number, since it uses as much as digits as its factorization.

650023189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 650023189 is about 25495.5523376137. The cubic root of 650023189 is about 866.2494063562.

The spelling of 650023189 in words is "six hundred fifty million, twenty-three thousand, one hundred eighty-nine".