650706443 has 2 divisors, whose sum is σ = 650706444. Its totient is φ = 650706442.

The previous prime is 650706431. The next prime is 650706481. The reversal of 650706443 is 344607056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650706443 - 2¹² = 650702347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650706643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325353221 + 325353222.

It is an arithmetic number, because the mean of its divisors is an integer number (325353222).

Almost surely, 2^650706443 is an apocalyptic number.

650706443 is a deficient number, since it is larger than the sum of its proper divisors (1).

650706443 is an equidigital number, since it uses as much as digits as its factorization.

650706443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 650706443 is about 25508.9482927070. The cubic root of 650706443 is about 866.5528114898.

The spelling of 650706443 in words is "six hundred fifty million, seven hundred six thousand, four hundred forty-three".