42867818533 has 2 divisors, whose sum is σ = 42867818534. Its totient is φ = 42867818532.

The previous prime is 42867818519. The next prime is 42867818549. The reversal of 42867818533 is 33581876824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42262314084 + 605504449 = 205578^2 + 24607^2 .

It is a cyclic number.

It is not a de Polignac number, because 42867818533 - 2¹⁷ = 42867687461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42867818593) 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, 21433909266 + 21433909267.

It is an arithmetic number, because the mean of its divisors is an integer number (21433909267).

Almost surely, 2^42867818533 is an apocalyptic number.

It is an amenable number.

42867818533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42867818533 is an equidigital number, since it uses as much as digits as its factorization.

42867818533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 55.

The spelling of 42867818533 in words is "forty-two billion, eight hundred sixty-seven million, eight hundred eighteen thousand, five hundred thirty-three".