243935000219 has 8 divisors (see below), whose sum is σ = 247727037792. Its totient is φ = 240170342400.

The previous prime is 243935000207. The next prime is 243935000261. The reversal of 243935000219 is 912000539342.

It is a happy number.

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 243935000219 - 2³² = 239640032923 is a prime.

It is a super-2 number, since 2×243935000219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243935000719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6826982 + ... + 6862619.

It is an arithmetic number, because the mean of its divisors is an integer number (30965879724).

Almost surely, 2^243935000219 is an apocalyptic number.

243935000219 is a deficient number, since it is larger than the sum of its proper divisors (3792037573).

243935000219 is a wasteful number, since it uses less digits than its factorization.

243935000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689877.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 243935000219 in words is "two hundred forty-three billion, nine hundred thirty-five million, two hundred nineteen", and thus it is an aban number.