218243454962 has 32 divisors (see below), whose sum is σ = 364826246400. Its totient is φ = 97221757248.

The previous prime is 218243454959. The next prime is 218243454967. The reversal of 218243454962 is 269454342812.

It is a self number, because there is not a number n which added to its sum of digits gives 218243454962.

It is not an unprimeable number, because it can be changed into a prime (218243454967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274563 + ... + 2368569.

It is an arithmetic number, because the mean of its divisors is an integer number (11400820200).

Almost surely, 2^218243454962 is an apocalyptic number.

218243454962 is a deficient number, since it is larger than the sum of its proper divisors (146582791438).

218243454962 is a wasteful number, since it uses less digits than its factorization.

218243454962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97130.

The product of its digits is 3317760, while the sum is 50.

The spelling of 218243454962 in words is "two hundred eighteen billion, two hundred forty-three million, four hundred fifty-four thousand, nine hundred sixty-two".