418249218241 has 4 divisors (see below), whose sum is σ = 418254498900. Its totient is φ = 418243937584.

The previous prime is 418249218229. The next prime is 418249218263. The reversal of 418249218241 is 142812942814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32732408241 + 385516810000 = 180921^2 + 620900^2 .

It is a cyclic number.

It is not a de Polignac number, because 418249218241 - 2⁵ = 418249218209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418249218191 and 418249218200.

It is not an unprimeable number, because it can be changed into a prime (418249218341) 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, 2519686 + ... + 2680543.

It is an arithmetic number, because the mean of its divisors is an integer number (104563624725).

Almost surely, 2^418249218241 is an apocalyptic number.

It is an amenable number.

418249218241 is a deficient number, since it is larger than the sum of its proper divisors (5280659).

418249218241 is an equidigital number, since it uses as much as digits as its factorization.

418249218241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280658.

The product of its digits is 294912, while the sum is 46.

The spelling of 418249218241 in words is "four hundred eighteen billion, two hundred forty-nine million, two hundred eighteen thousand, two hundred forty-one".