9991341043 has 2 divisors, whose sum is σ = 9991341044. Its totient is φ = 9991341042.

The previous prime is 9991340993. The next prime is 9991341047. The reversal of 9991341043 is 3401431999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9991341043 - 2⁹ = 9991340531 is a prime.

It is not a weakly prime, because it can be changed into another prime (9991341047) 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, 4995670521 + 4995670522.

It is an arithmetic number, because the mean of its divisors is an integer number (4995670522).

Almost surely, 2^9991341043 is an apocalyptic number.

9991341043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9991341043 is an equidigital number, since it uses as much as digits as its factorization.

9991341043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 9991341043 is about 99956.6958387481. The cubic root of 9991341043 is about 2153.8126718850.

The spelling of 9991341043 in words is "nine billion, nine hundred ninety-one million, three hundred forty-one thousand, forty-three".