942865943 has 2 divisors, whose sum is σ = 942865944. Its totient is φ = 942865942.

The previous prime is 942865909. The next prime is 942865981. The reversal of 942865943 is 349568249.

It is a weak prime.

It is an emirp because it is prime and its reverse (349568249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942865943 - 2¹⁰ = 942864919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 942865891 and 942865900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942865993) 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, 471432971 + 471432972.

It is an arithmetic number, because the mean of its divisors is an integer number (471432972).

Almost surely, 2^942865943 is an apocalyptic number.

942865943 is a deficient number, since it is larger than the sum of its proper divisors (1).

942865943 is an equidigital number, since it uses as much as digits as its factorization.

942865943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 942865943 is about 30706.1222397098. The cubic root of 942865943 is about 980.5806440339.

The spelling of 942865943 in words is "nine hundred forty-two million, eight hundred sixty-five thousand, nine hundred forty-three".