243311200198 has 32 divisors (see below), whose sum is σ = 419998400640. Its totient is φ = 104550716160.

The previous prime is 243311200157. The next prime is 243311200213. The reversal of 243311200198 is 891002113342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428011 + ... + 818422.

It is an arithmetic number, because the mean of its divisors is an integer number (13124950020).

Almost surely, 2^243311200198 is an apocalyptic number.

243311200198 is a deficient number, since it is larger than the sum of its proper divisors (176687200442).

243311200198 is a wasteful number, since it uses less digits than its factorization.

243311200198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246932.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 243311200198 in words is "two hundred forty-three billion, three hundred eleven million, two hundred thousand, one hundred ninety-eight".