945193111 has 2 divisors, whose sum is σ = 945193112. Its totient is φ = 945193110.

The previous prime is 945193103. The next prime is 945193121. The reversal of 945193111 is 111391549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945193111 - 2³ = 945193103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945193121) 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, 472596555 + 472596556.

It is an arithmetic number, because the mean of its divisors is an integer number (472596556).

Almost surely, 2^945193111 is an apocalyptic number.

945193111 is a deficient number, since it is larger than the sum of its proper divisors (1).

945193111 is an equidigital number, since it uses as much as digits as its factorization.

945193111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 34.

The square root of 945193111 is about 30743.9930880815. The cubic root of 945193111 is about 981.3867328305.

The spelling of 945193111 in words is "nine hundred forty-five million, one hundred ninety-three thousand, one hundred eleven".