243341501997 has 8 divisors (see below), whose sum is σ = 353951275680. Its totient is φ = 147479698160.

The previous prime is 243341501959. The next prime is 243341501999. The reversal of 243341501997 is 799105143342.

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 243341501997 - 2¹¹ = 243341499949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243341501999) 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, 3686992422 + ... + 3686992487.

It is an arithmetic number, because the mean of its divisors is an integer number (44243909460).

Almost surely, 2^243341501997 is an apocalyptic number.

It is an amenable number.

243341501997 is a deficient number, since it is larger than the sum of its proper divisors (110609773683).

243341501997 is a wasteful number, since it uses less digits than its factorization.

243341501997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373984923.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 243341501997 in words is "two hundred forty-three billion, three hundred forty-one million, five hundred one thousand, nine hundred ninety-seven".