218073593242 has 32 divisors (see below), whose sum is σ = 355676106240. Its totient is φ = 99884355840.

The previous prime is 218073593201. The next prime is 218073593251. The reversal of 218073593242 is 242395370812.

It is a junction number, because it is equal to n+sod(n) for n = 218073593192 and 218073593201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87742 + ... + 666217.

It is an arithmetic number, because the mean of its divisors is an integer number (11114878320).

Almost surely, 2^218073593242 is an apocalyptic number.

218073593242 is a deficient number, since it is larger than the sum of its proper divisors (137602512998).

218073593242 is a wasteful number, since it uses less digits than its factorization.

218073593242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754206.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 218073593242 in words is "two hundred eighteen billion, seventy-three million, five hundred ninety-three thousand, two hundred forty-two".