9157843943 has 2 divisors, whose sum is σ = 9157843944. Its totient is φ = 9157843942.

The previous prime is 9157843913. The next prime is 9157843969. The reversal of 9157843943 is 3493487519.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9157843943 - 2¹⁴ = 9157827559 is a prime.

It is a super-2 number, since 2×9157843943² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9157843913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4578921971 + 4578921972.

It is an arithmetic number, because the mean of its divisors is an integer number (4578921972).

Almost surely, 2^9157843943 is an apocalyptic number.

9157843943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9157843943 is an equidigital number, since it uses as much as digits as its factorization.

9157843943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 9157843943 is about 95696.6245120485. The cubic root of 9157843943 is about 2092.1737373334.

The spelling of 9157843943 in words is "nine billion, one hundred fifty-seven million, eight hundred forty-three thousand, nine hundred forty-three".