218409067245 has 32 divisors (see below), whose sum is σ = 352723894272. Its totient is φ = 115397739072.

The previous prime is 218409067193. The next prime is 218409067267. The reversal of 218409067245 is 542760904812.

It is not a de Polignac number, because 218409067245 - 2¹⁰ = 218409066221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218409067194 and 218409067203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217184 + ... + 1385046.

It is an arithmetic number, because the mean of its divisors is an integer number (11022621696).

Almost surely, 2^218409067245 is an apocalyptic number.

It is an amenable number.

218409067245 is a deficient number, since it is larger than the sum of its proper divisors (134314827027).

218409067245 is a wasteful number, since it uses less digits than its factorization.

218409067245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168681.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 218409067245 in words is "two hundred eighteen billion, four hundred nine million, sixty-seven thousand, two hundred forty-five".