243234720413761 has 8 divisors (see below), whose sum is σ = 243272478448800. Its totient is φ = 243196965194400.

The previous prime is 243234720413693. The next prime is 243234720413779. The reversal of 243234720413761 is 167314027432342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243234720413761 - 2¹³ = 243234720405569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243234720443761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175487710 + ... + 176868328.

It is an arithmetic number, because the mean of its divisors is an integer number (30409059806100).

Almost surely, 2^{243234720413761} is an apocalyptic number.

It is an amenable number.

243234720413761 is a deficient number, since it is larger than the sum of its proper divisors (37758035039).

243234720413761 is a wasteful number, since it uses less digits than its factorization.

243234720413761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407839.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 243234720413761 in words is "two hundred forty-three trillion, two hundred thirty-four billion, seven hundred twenty million, four hundred thirteen thousand, seven hundred sixty-one".