243645246329 has 8 divisors (see below), whose sum is σ = 243846593760. Its totient is φ = 243443965536.

The previous prime is 243645246283. The next prime is 243645246343. The reversal of 243645246329 is 923642546342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243645246329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243645246349) 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, 9389477 + ... + 9415389.

It is an arithmetic number, because the mean of its divisors is an integer number (30480824220).

Almost surely, 2^243645246329 is an apocalyptic number.

It is an amenable number.

243645246329 is a deficient number, since it is larger than the sum of its proper divisors (201347431).

243645246329 is a wasteful number, since it uses less digits than its factorization.

243645246329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33319.

The product of its digits is 7464960, while the sum is 50.

The spelling of 243645246329 in words is "two hundred forty-three billion, six hundred forty-five million, two hundred forty-six thousand, three hundred twenty-nine".