942143681 has 2 divisors, whose sum is σ = 942143682. Its totient is φ = 942143680.

The previous prime is 942143669. The next prime is 942143701. The reversal of 942143681 is 186341249.

942143681 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., 915970225 + 26173456 = 30265^2 + 5116^2 .

It is a cyclic number.

It is not a de Polignac number, because 942143681 - 2¹⁸ = 941881537 is a prime.

It is a super-2 number, since 2×942143681² = 1775269431296459522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (942143611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471071840 + 471071841.

It is an arithmetic number, because the mean of its divisors is an integer number (471071841).

Almost surely, 2^942143681 is an apocalyptic number.

It is an amenable number.

942143681 is a deficient number, since it is larger than the sum of its proper divisors (1).

942143681 is an equidigital number, since it uses as much as digits as its factorization.

942143681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 942143681 is about 30694.3591071715. The cubic root of 942143681 is about 980.3301958968.

The spelling of 942143681 in words is "nine hundred forty-two million, one hundred forty-three thousand, six hundred eighty-one".