243201014409 has 4 divisors (see below), whose sum is σ = 324268019216. Its totient is φ = 162134009604.

The previous prime is 243201014389. The next prime is 243201014431. The reversal of 243201014409 is 904410102342.

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 not a de Polignac number, because 243201014409 - 2⁷ = 243201014281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243201014479) 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, 40533502399 + ... + 40533502404.

It is an arithmetic number, because the mean of its divisors is an integer number (81067004804).

Almost surely, 2^243201014409 is an apocalyptic number.

It is an amenable number.

243201014409 is a deficient number, since it is larger than the sum of its proper divisors (81067004807).

243201014409 is an equidigital number, since it uses as much as digits as its factorization.

243201014409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81067004806.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 243201014409 in words is "two hundred forty-three billion, two hundred one million, fourteen thousand, four hundred nine".