243486873915 has 8 divisors (see below), whose sum is σ = 389578998288. Its totient is φ = 129859666080.

The previous prime is 243486873899. The next prime is 243486873919. The reversal of 243486873915 is 519378684342.

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

It is not a de Polignac number, because 243486873915 - 2⁴ = 243486873899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243486873919) 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, 8116229116 + ... + 8116229145.

It is an arithmetic number, because the mean of its divisors is an integer number (48697374786).

Almost surely, 2^243486873915 is an apocalyptic number.

243486873915 is a deficient number, since it is larger than the sum of its proper divisors (146092124373).

243486873915 is a wasteful number, since it uses less digits than its factorization.

243486873915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16232458269.

The product of its digits is 34836480, while the sum is 60.

The spelling of 243486873915 in words is "two hundred forty-three billion, four hundred eighty-six million, eight hundred seventy-three thousand, nine hundred fifteen".