2433138218 has 24 divisors (see below), whose sum is σ = 4260118212. Its totient is φ = 1039202304.

The previous prime is 2433138217. The next prime is 2433138223. The reversal of 2433138218 is 8128313342.

It can be written as a sum of positive squares in 2 ways, for example, as 2056894609 + 376243609 = 45353^2 + 19397^2 .

It is not an unprimeable number, because it can be changed into a prime (2433138217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13655 + ... + 71082.

Almost surely, 2^2433138218 is an apocalyptic number.

2433138218 is a deficient number, since it is larger than the sum of its proper divisors (1826979994).

2433138218 is a wasteful number, since it uses less digits than its factorization.

2433138218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85046 (or 85039 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2433138218 is about 49326.8508826582. The cubic root of 2433138218 is about 1344.9999250056. Note that the first 4 decimals are identical.

The spelling of 2433138218 in words is "two billion, four hundred thirty-three million, one hundred thirty-eight thousand, two hundred eighteen".