218486852241 has 32 divisors (see below), whose sum is σ = 340939450368. Its totient is φ = 121851475200.

The previous prime is 218486852231. The next prime is 218486852251. The reversal of 218486852241 is 142258684812.

It is an interprime number because it is at equal distance from previous prime (218486852231) and next prime (218486852251).

It is not a de Polignac number, because 218486852241 - 2¹⁰ = 218486851217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218486852231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1077916 + ... + 1264466.

It is an arithmetic number, because the mean of its divisors is an integer number (10654357824).

Almost surely, 2^218486852241 is an apocalyptic number.

218486852241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

218486852241 is a deficient number, since it is larger than the sum of its proper divisors (122452598127).

218486852241 is a wasteful number, since it uses less digits than its factorization.

218486852241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187901.

The product of its digits is 1966080, while the sum is 51.

The spelling of 218486852241 in words is "two hundred eighteen billion, four hundred eighty-six million, eight hundred fifty-two thousand, two hundred forty-one".