218093765242 has 8 divisors (see below), whose sum is σ = 327183228576. Its totient is φ = 109032689052.

The previous prime is 218093765203. The next prime is 218093765249. The reversal of 218093765242 is 242567390812.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (218093765249) 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, 7077568 + ... + 7108315.

It is an arithmetic number, because the mean of its divisors is an integer number (40897903572).

It is a 1-persistent number, because it is pandigital, but 2⋅218093765242 = 436187530484 is not.

Almost surely, 2^218093765242 is an apocalyptic number.

218093765242 is a deficient number, since it is larger than the sum of its proper divisors (109089463334).

218093765242 is a wasteful number, since it uses less digits than its factorization.

218093765242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193572.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 218093765242 in words is "two hundred eighteen billion, ninety-three million, seven hundred sixty-five thousand, two hundred forty-two".