468123809 has 2 divisors, whose sum is σ = 468123810. Its totient is φ = 468123808.

The previous prime is 468123797. The next prime is 468123847. The reversal of 468123809 is 908321864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412293025 + 55830784 = 20305^2 + 7472^2 .

It is a cyclic number.

It is not a de Polignac number, because 468123809 - 2¹⁶ = 468058273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (468123869) 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, 234061904 + 234061905.

It is an arithmetic number, because the mean of its divisors is an integer number (234061905).

Almost surely, 2^468123809 is an apocalyptic number.

It is an amenable number.

468123809 is a deficient number, since it is larger than the sum of its proper divisors (1).

468123809 is an equidigital number, since it uses as much as digits as its factorization.

468123809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 468123809 is about 21636.1690000795. The cubic root of 468123809 is about 776.4620663842.

The spelling of 468123809 in words is "four hundred sixty-eight million, one hundred twenty-three thousand, eight hundred nine".