42813726017 has 2 divisors, whose sum is σ = 42813726018. Its totient is φ = 42813726016.

The previous prime is 42813725953. The next prime is 42813726071. The reversal of 42813726017 is 71062731824.

Together with next prime (42813726071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42762517681 + 51208336 = 206791^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 42813726017 - 2⁶ = 42813725953 is a prime.

It is not a weakly prime, because it can be changed into another prime (42813726097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21406863008 + 21406863009.

It is an arithmetic number, because the mean of its divisors is an integer number (21406863009).

Almost surely, 2^42813726017 is an apocalyptic number.

It is an amenable number.

42813726017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42813726017 is an equidigital number, since it uses as much as digits as its factorization.

42813726017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 42813726017 in words is "forty-two billion, eight hundred thirteen million, seven hundred twenty-six thousand, seventeen".