243413878039 has 2 divisors, whose sum is σ = 243413878040. Its totient is φ = 243413878038.

The previous prime is 243413877943. The next prime is 243413878159. The reversal of 243413878039 is 930878314342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243413878039 - 2⁷ = 243413877911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243413878339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121706939019 + 121706939020.

It is an arithmetic number, because the mean of its divisors is an integer number (121706939020).

Almost surely, 2^243413878039 is an apocalyptic number.

243413878039 is a deficient number, since it is larger than the sum of its proper divisors (1).

243413878039 is an equidigital number, since it uses as much as digits as its factorization.

243413878039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 243413878039 in words is "two hundred forty-three billion, four hundred thirteen million, eight hundred seventy-eight thousand, thirty-nine".