2241836663218 has 8 divisors (see below), whose sum is σ = 3366974263212. Its totient is φ = 1119511908816.

The previous prime is 2241836663149. The next prime is 2241836663237. The reversal of 2241836663218 is 8123666381422.

It can be written as a sum of positive squares in 2 ways, for example, as 2182069615489 + 59767047729 = 1477183^2 + 244473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703209405 + ... + 703212592.

Almost surely, 2^{2241836663218} is an apocalyptic number.

2241836663218 is a deficient number, since it is larger than the sum of its proper divisors (1125137599994).

2241836663218 is a wasteful number, since it uses less digits than its factorization.

2241836663218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406422796.

The product of its digits is 3981312, while the sum is 52.

The spelling of 2241836663218 in words is "two trillion, two hundred forty-one billion, eight hundred thirty-six million, six hundred sixty-three thousand, two hundred eighteen".