243114214529 has 4 divisors (see below), whose sum is σ = 243156259776. Its totient is φ = 243072169284.

The previous prime is 243114214523. The next prime is 243114214579. The reversal of 243114214529 is 925412411342.

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, and also an emirpimes, since its reverse is a distinct semiprime: 925412411342 = 2 ⋅462706205671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243114214529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243114214492 and 243114214501.

It is not an unprimeable number, because it can be changed into a prime (243114214523) 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, 21013949 + ... + 21025514.

It is an arithmetic number, because the mean of its divisors is an integer number (60789064944).

Almost surely, 2^243114214529 is an apocalyptic number.

It is an amenable number.

243114214529 is a deficient number, since it is larger than the sum of its proper divisors (42045247).

243114214529 is an equidigital number, since it uses as much as digits as its factorization.

243114214529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42045246.

The product of its digits is 69120, while the sum is 38.

The spelling of 243114214529 in words is "two hundred forty-three billion, one hundred fourteen million, two hundred fourteen thousand, five hundred twenty-nine".