243354150041 has 4 divisors (see below), whose sum is σ = 246434582400. Its totient is φ = 240273717684.

The previous prime is 243354150019. The next prime is 243354150043. The reversal of 243354150041 is 140051453342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243354150041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243354150043) 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, 1540216061 + ... + 1540216218.

It is an arithmetic number, because the mean of its divisors is an integer number (61608645600).

Almost surely, 2^243354150041 is an apocalyptic number.

It is an amenable number.

243354150041 is a deficient number, since it is larger than the sum of its proper divisors (3080432359).

243354150041 is an equidigital number, since it uses as much as digits as its factorization.

243354150041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080432358.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 243354150041 in words is "two hundred forty-three billion, three hundred fifty-four million, one hundred fifty thousand, forty-one".