324156448009 has 4 divisors (see below), whose sum is σ = 327798655380. Its totient is φ = 320514240640.

The previous prime is 324156447931. The next prime is 324156448027. The reversal of 324156448009 is 900844651423.

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 26419251600 + 297737196409 = 162540^2 + 545653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324156448009 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 324156448009.

It is not an unprimeable number, because it can be changed into a prime (324156449009) 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, 1821103552 + ... + 1821103729.

It is an arithmetic number, because the mean of its divisors is an integer number (81949663845).

Almost surely, 2^324156448009 is an apocalyptic number.

It is an amenable number.

324156448009 is a deficient number, since it is larger than the sum of its proper divisors (3642207371).

324156448009 is an equidigital number, since it uses as much as digits as its factorization.

324156448009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642207370.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 324156448009 in words is "three hundred twenty-four billion, one hundred fifty-six million, four hundred forty-eight thousand, nine".