42318847243 has 2 divisors, whose sum is σ = 42318847244. Its totient is φ = 42318847242.

The previous prime is 42318847229. The next prime is 42318847253. The reversal of 42318847243 is 34274881324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42318847243 - 2²⁵ = 42285292811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42318847193 and 42318847202.

It is not a weakly prime, because it can be changed into another prime (42318847253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21159423621 + 21159423622.

It is an arithmetic number, because the mean of its divisors is an integer number (21159423622).

Almost surely, 2^42318847243 is an apocalyptic number.

42318847243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42318847243 is an equidigital number, since it uses as much as digits as its factorization.

42318847243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 46.

The spelling of 42318847243 in words is "forty-two billion, three hundred eighteen million, eight hundred forty-seven thousand, two hundred forty-three".