243106843898 has 4 divisors (see below), whose sum is σ = 364660265850. Its totient is φ = 121553421948.

The previous prime is 243106843883. The next prime is 243106843933. The reversal of 243106843898 is 898348601342.

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

It can be written as a sum of positive squares in only one way, i.e., 235635488929 + 7471354969 = 485423^2 + 86437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60776710973 + ... + 60776710976.

Almost surely, 2^243106843898 is an apocalyptic number.

243106843898 is a deficient number, since it is larger than the sum of its proper divisors (121553421952).

243106843898 is a wasteful number, since it uses less digits than its factorization.

243106843898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121553421951.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 243106843898 in words is "two hundred forty-three billion, one hundred six million, eight hundred forty-three thousand, eight hundred ninety-eight".