42868483681 has 2 divisors, whose sum is σ = 42868483682. Its totient is φ = 42868483680.

The previous prime is 42868483667. The next prime is 42868483711. The reversal of 42868483681 is 18638486824.

42868483681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36633960000 + 6234523681 = 191400^2 + 78959^2 .

It is a cyclic number.

It is not a de Polignac number, because 42868483681 - 2²¹ = 42866386529 is a prime.

It is a super-2 number, since 2×42868483681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42868483621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21434241840 + 21434241841.

It is an arithmetic number, because the mean of its divisors is an integer number (21434241841).

Almost surely, 2^42868483681 is an apocalyptic number.

It is an amenable number.

42868483681 is a deficient number, since it is larger than the sum of its proper divisors (1).

42868483681 is an equidigital number, since it uses as much as digits as its factorization.

42868483681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14155776, while the sum is 58.

The spelling of 42868483681 in words is "forty-two billion, eight hundred sixty-eight million, four hundred eighty-three thousand, six hundred eighty-one".