243244968958 has 4 divisors (see below), whose sum is σ = 364867453440. Its totient is φ = 121622484478.

The previous prime is 243244968947. The next prime is 243244968983. The reversal of 243244968958 is 859869442342.

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

It is a super-4 number, since 4×243244968958⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 243244968958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60811242238 + ... + 60811242241.

It is an arithmetic number, because the mean of its divisors is an integer number (91216863360).

Almost surely, 2^243244968958 is an apocalyptic number.

243244968958 is a deficient number, since it is larger than the sum of its proper divisors (121622484482).

243244968958 is a wasteful number, since it uses less digits than its factorization.

243244968958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121622484481.

The product of its digits is 119439360, while the sum is 64.

The spelling of 243244968958 in words is "two hundred forty-three billion, two hundred forty-four million, nine hundred sixty-eight thousand, nine hundred fifty-eight".