9103442891 has 2 divisors, whose sum is σ = 9103442892. Its totient is φ = 9103442890.

The previous prime is 9103442879. The next prime is 9103442911. The reversal of 9103442891 is 1982443019.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9103442891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9103442791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4551721445 + 4551721446.

It is an arithmetic number, because the mean of its divisors is an integer number (4551721446).

Almost surely, 2^9103442891 is an apocalyptic number.

9103442891 is a deficient number, since it is larger than the sum of its proper divisors (1).

9103442891 is an equidigital number, since it uses as much as digits as its factorization.

9103442891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 9103442891 is about 95411.9640873198. The cubic root of 9103442891 is about 2088.0227395432.

The spelling of 9103442891 in words is "nine billion, one hundred three million, four hundred forty-two thousand, eight hundred ninety-one".