841065149 has 2 divisors, whose sum is σ = 841065150. Its totient is φ = 841065148.

The previous prime is 841065073. The next prime is 841065209. The reversal of 841065149 is 941560148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828864100 + 12201049 = 28790^2 + 3493^2 .

It is a cyclic number.

It is not a de Polignac number, because 841065149 - 2⁸ = 841064893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841065649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420532574 + 420532575.

It is an arithmetic number, because the mean of its divisors is an integer number (420532575).

Almost surely, 2^841065149 is an apocalyptic number.

It is an amenable number.

841065149 is a deficient number, since it is larger than the sum of its proper divisors (1).

841065149 is an equidigital number, since it uses as much as digits as its factorization.

841065149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 841065149 is about 29001.1232368679. The cubic root of 841065149 is about 943.9374408683.

The spelling of 841065149 in words is "eight hundred forty-one million, sixty-five thousand, one hundred forty-nine".