243242435119 has 4 divisors (see below), whose sum is σ = 243245771496. Its totient is φ = 243239098744.

The previous prime is 243242435101. The next prime is 243242435123. The reversal of 243242435119 is 911534242342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243242435119 is a prime.

It is a super-2 number, since 2×243242435119² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242435159) 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, 1556329 + ... + 1705474.

It is an arithmetic number, because the mean of its divisors is an integer number (60811442874).

Almost surely, 2^243242435119 is an apocalyptic number.

243242435119 is a deficient number, since it is larger than the sum of its proper divisors (3336377).

243242435119 is an equidigital number, since it uses as much as digits as its factorization.

243242435119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336376.

The product of its digits is 207360, while the sum is 40.

The spelling of 243242435119 in words is "two hundred forty-three billion, two hundred forty-two million, four hundred thirty-five thousand, one hundred nineteen".