243110479867 has 2 divisors, whose sum is σ = 243110479868. Its totient is φ = 243110479866.

The previous prime is 243110479841. The next prime is 243110479873. The reversal of 243110479867 is 768974011342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243110479867 is a prime.

It is not a weakly prime, because it can be changed into another prime (243110479817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121555239933 + 121555239934.

It is an arithmetic number, because the mean of its divisors is an integer number (121555239934).

Almost surely, 2^243110479867 is an apocalyptic number.

243110479867 is a deficient number, since it is larger than the sum of its proper divisors (1).

243110479867 is an equidigital number, since it uses as much as digits as its factorization.

243110479867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 243110479867 in words is "two hundred forty-three billion, one hundred ten million, four hundred seventy-nine thousand, eight hundred sixty-seven".