841202149 has 2 divisors, whose sum is σ = 841202150. Its totient is φ = 841202148.

The previous prime is 841202147. The next prime is 841202189. The reversal of 841202149 is 941202148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766293124 + 74909025 = 27682^2 + 8655^2 .

It is a cyclic number.

It is not a de Polignac number, because 841202149 - 2¹ = 841202147 is a prime.

Together with 841202147, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 841202149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841202147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420601074 + 420601075.

It is an arithmetic number, because the mean of its divisors is an integer number (420601075).

Almost surely, 2^841202149 is an apocalyptic number.

It is an amenable number.

841202149 is a deficient number, since it is larger than the sum of its proper divisors (1).

841202149 is an equidigital number, since it uses as much as digits as its factorization.

841202149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 841202149 is about 29003.4851181716. The cubic root of 841202149 is about 943.9886903300.

Subtracting 841202149 from its reverse (941202148), we obtain a palindrome (99999999).

The spelling of 841202149 in words is "eight hundred forty-one million, two hundred two thousand, one hundred forty-nine".