243098100005 has 8 divisors (see below), whose sum is σ = 292969728792. Its totient is φ = 193643807488.

The previous prime is 243098099957. The next prime is 243098100013. The reversal of 243098100005 is 500001890342.

243098100005 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6512167204 + 236585932801 = 80698^2 + 486401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243098100005 - 2¹⁸ = 243097837861 is a prime.

It is a Duffinian number.

243098100005 is strictly pandigital in base 11.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104332784 + ... + 104335113.

It is an arithmetic number, because the mean of its divisors is an integer number (36621216099).

Almost surely, 2^243098100005 is an apocalyptic number.

It is an amenable number.

243098100005 is a deficient number, since it is larger than the sum of its proper divisors (49871628787).

243098100005 is a wasteful number, since it uses less digits than its factorization.

243098100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208668135.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 243098100005 its reverse (500001890342), we get a palindrome (743099990347).

The spelling of 243098100005 in words is "two hundred forty-three billion, ninety-eight million, one hundred thousand, five".