243075606646 has 8 divisors (see below), whose sum is σ = 372371142240. Its totient is φ = 118951892568.

The previous prime is 243075606611. The next prime is 243075606713. The reversal of 243075606646 is 646606570342.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243075606646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292955261 + ... + 1292955448.

It is an arithmetic number, because the mean of its divisors is an integer number (46546392780).

Almost surely, 2^243075606646 is an apocalyptic number.

243075606646 is a deficient number, since it is larger than the sum of its proper divisors (129295535594).

243075606646 is a wasteful number, since it uses less digits than its factorization.

243075606646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585910758.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 243075606646 in words is "two hundred forty-three billion, seventy-five million, six hundred six thousand, six hundred forty-six".