9869911043 has 2 divisors, whose sum is σ = 9869911044. Its totient is φ = 9869911042.

The previous prime is 9869911027. The next prime is 9869911049. The reversal of 9869911043 is 3401199689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9869911043 - 2⁴ = 9869911027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9869910982 and 9869911000.

It is not a weakly prime, because it can be changed into another prime (9869911049) 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, 4934955521 + 4934955522.

It is an arithmetic number, because the mean of its divisors is an integer number (4934955522).

Almost surely, 2^9869911043 is an apocalyptic number.

9869911043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869911043 is an equidigital number, since it uses as much as digits as its factorization.

9869911043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9869911043 is about 99347.4259505499. The cubic root of 9869911043 is about 2145.0516117502.

The spelling of 9869911043 in words is "nine billion, eight hundred sixty-nine million, nine hundred eleven thousand, forty-three".