243441100027 has 2 divisors, whose sum is σ = 243441100028. Its totient is φ = 243441100026.

The previous prime is 243441100013. The next prime is 243441100061. The reversal of 243441100027 is 720001144342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243441100027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243441099968 and 243441100004.

It is not a weakly prime, because it can be changed into another prime (243441107027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720550013 + 121720550014.

It is an arithmetic number, because the mean of its divisors is an integer number (121720550014).

Almost surely, 2^243441100027 is an apocalyptic number.

243441100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

243441100027 is an equidigital number, since it uses as much as digits as its factorization.

243441100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 243441100027 its reverse (720001144342), we get a palindrome (963442244369).

The spelling of 243441100027 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, twenty-seven".