9541641091 has 2 divisors, whose sum is σ = 9541641092. Its totient is φ = 9541641090.

The previous prime is 9541641089. The next prime is 9541641097. The reversal of 9541641091 is 1901461459.

9541641091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9541641091 - 2¹ = 9541641089 is a prime.

Together with 9541641089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9541641097) 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, 4770820545 + 4770820546.

It is an arithmetic number, because the mean of its divisors is an integer number (4770820546).

Almost surely, 2^9541641091 is an apocalyptic number.

9541641091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9541641091 is an equidigital number, since it uses as much as digits as its factorization.

9541641091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 9541641091 is about 97681.3241669051. The cubic root of 9541641091 is about 2121.0017434881.

The spelling of 9541641091 in words is "nine billion, five hundred forty-one million, six hundred forty-one thousand, ninety-one".