468321239809 has 4 divisors (see below), whose sum is σ = 469817474116. Its totient is φ = 466825005504.

The previous prime is 468321239803. The next prime is 468321239821. The reversal of 468321239809 is 908932123864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142753997584 + 325567242225 = 377828^2 + 570585^2 .

It is a cyclic number.

It is not a de Polignac number, because 468321239809 - 2²⁷ = 468187022081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468321239809.

It is not an unprimeable number, because it can be changed into a prime (468321239803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748116684 + ... + 748117309.

It is an arithmetic number, because the mean of its divisors is an integer number (117454368529).

Almost surely, 2^468321239809 is an apocalyptic number.

It is an amenable number.

468321239809 is a deficient number, since it is larger than the sum of its proper divisors (1496234307).

468321239809 is a wasteful number, since it uses less digits than its factorization.

468321239809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496234306.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 468321239809 in words is "four hundred sixty-eight billion, three hundred twenty-one million, two hundred thirty-nine thousand, eight hundred nine".