243612216215 has 8 divisors (see below), whose sum is σ = 292355130048. Its totient is φ = 194876125920.

The previous prime is 243612216203. The next prime is 243612216217. The reversal of 243612216215 is 512612216342.

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

It is not a de Polignac number, because 243612216215 - 2³⁶ = 174892739479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243612216217) 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, 1627007 + ... + 1770416.

It is an arithmetic number, because the mean of its divisors is an integer number (36544391256).

Almost surely, 2^243612216215 is an apocalyptic number.

243612216215 is a deficient number, since it is larger than the sum of its proper divisors (48742913833).

243612216215 is a wasteful number, since it uses less digits than its factorization.

243612216215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411769.

The product of its digits is 34560, while the sum is 35.

The spelling of 243612216215 in words is "two hundred forty-three billion, six hundred twelve million, two hundred sixteen thousand, two hundred fifteen".