243743536797 has 8 divisors (see below), whose sum is σ = 324998904000. Its totient is φ = 162491930400.

The previous prime is 243743536763. The next prime is 243743536811. The reversal of 243743536797 is 797635347342.

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

It is not a de Polignac number, because 243743536797 - 2¹² = 243743532701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243743536797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243743536727) 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, 785329 + ... + 1050822.

It is an arithmetic number, because the mean of its divisors is an integer number (40624863000).

Almost surely, 2^243743536797 is an apocalyptic number.

It is an amenable number.

243743536797 is a deficient number, since it is larger than the sum of its proper divisors (81255367203).

243743536797 is a wasteful number, since it uses less digits than its factorization.

243743536797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880403.

The product of its digits is 80015040, while the sum is 60.

The spelling of 243743536797 in words is "two hundred forty-three billion, seven hundred forty-three million, five hundred thirty-six thousand, seven hundred ninety-seven".