5231818018 has 8 divisors (see below), whose sum is σ = 8968830912. Its totient is φ = 2242207716.

The previous prime is 5231818001. The next prime is 5231818021. The reversal of 5231818018 is 8108181325.

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, 186850630 + ... + 186850657.

It is an arithmetic number, because the mean of its divisors is an integer number (1121103864).

Almost surely, 2^5231818018 is an apocalyptic number.

5231818018 is a deficient number, since it is larger than the sum of its proper divisors (3737012894).

5231818018 is a wasteful number, since it uses less digits than its factorization.

5231818018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373701296.

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 5231818018 is about 72331.3073157122. The cubic root of 5231818018 is about 1736.0046191220.

The spelling of 5231818018 in words is "five billion, two hundred thirty-one million, eight hundred eighteen thousand, eighteen".