243776346416 has 10 divisors (see below), whose sum is σ = 472316671212. Its totient is φ = 121888173200.

The previous prime is 243776346389. The next prime is 243776346433. The reversal of 243776346416 is 614643677342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7618010810 + ... + 7618010841.

Almost surely, 2^243776346416 is an apocalyptic number.

It is an amenable number.

243776346416 is a deficient number, since it is larger than the sum of its proper divisors (228540324796).

243776346416 is a wasteful number, since it uses less digits than its factorization.

243776346416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15236021659 (or 15236021653 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 53.

The spelling of 243776346416 in words is "two hundred forty-three billion, seven hundred seventy-six million, three hundred forty-six thousand, four hundred sixteen".