243483065437 has 4 divisors (see below), whose sum is σ = 257805598716. Its totient is φ = 229160532160.

The previous prime is 243483065407. The next prime is 243483065489. The reversal of 243483065437 is 734560384342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69605741241 + 173877324196 = 263829^2 + 416986^2 .

It is a cyclic number.

It is not a de Polignac number, because 243483065437 - 2¹⁵ = 243483032669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243483065407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7161266614 + ... + 7161266647.

It is an arithmetic number, because the mean of its divisors is an integer number (64451399679).

Almost surely, 2^243483065437 is an apocalyptic number.

It is an amenable number.

243483065437 is a deficient number, since it is larger than the sum of its proper divisors (14322533279).

243483065437 is a wasteful number, since it uses less digits than its factorization.

243483065437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322533278.

The product of its (nonzero) digits is 5806080, while the sum is 49.

The spelling of 243483065437 in words is "two hundred forty-three billion, four hundred eighty-three million, sixty-five thousand, four hundred thirty-seven".