650423947 has 2 divisors, whose sum is σ = 650423948. Its totient is φ = 650423946.

The previous prime is 650423911. The next prime is 650423987. The reversal of 650423947 is 749324056.

It is a happy number.

650423947 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 (650423987) can be obtained adding 650423947 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650423947 - 2¹⁵ = 650391179 is a prime.

It is not a weakly prime, because it can be changed into another prime (650423987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325211973 + 325211974.

It is an arithmetic number, because the mean of its divisors is an integer number (325211974).

Almost surely, 2^650423947 is an apocalyptic number.

650423947 is a deficient number, since it is larger than the sum of its proper divisors (1).

650423947 is an equidigital number, since it uses as much as digits as its factorization.

650423947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 650423947 is about 25503.4104974217. The cubic root of 650423947 is about 866.4273923449.

The spelling of 650423947 in words is "six hundred fifty million, four hundred twenty-three thousand, nine hundred forty-seven".