9801147443 has 2 divisors, whose sum is σ = 9801147444. Its totient is φ = 9801147442.

The previous prime is 9801147439. The next prime is 9801147467. The reversal of 9801147443 is 3447411089.

It is a weak prime.

It is an emirp because it is prime and its reverse (3447411089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9801147443 - 2² = 9801147439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9801147443.

It is not a weakly prime, because it can be changed into another prime (9801144443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900573721 + 4900573722.

It is an arithmetic number, because the mean of its divisors is an integer number (4900573722).

Almost surely, 2^9801147443 is an apocalyptic number.

9801147443 is a deficient number, since it is larger than the sum of its proper divisors (1).

9801147443 is an equidigital number, since it uses as much as digits as its factorization.

9801147443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 9801147443 is about 99000.7446588156. The cubic root of 9801147443 is about 2140.0584782547.

The spelling of 9801147443 in words is "nine billion, eight hundred one million, one hundred forty-seven thousand, four hundred forty-three".