42727686853 has 2 divisors, whose sum is σ = 42727686854. Its totient is φ = 42727686852.

The previous prime is 42727686847. The next prime is 42727686907. The reversal of 42727686853 is 35868672724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22494900289 + 20232786564 = 149983^2 + 142242^2 .

It is a cyclic number.

It is not a de Polignac number, because 42727686853 - 2⁹ = 42727686341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42727683853) 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, 21363843426 + 21363843427.

It is an arithmetic number, because the mean of its divisors is an integer number (21363843427).

Almost surely, 2^42727686853 is an apocalyptic number.

It is an amenable number.

42727686853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42727686853 is an equidigital number, since it uses as much as digits as its factorization.

42727686853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The spelling of 42727686853 in words is "forty-two billion, seven hundred twenty-seven million, six hundred eighty-six thousand, eight hundred fifty-three".