841229849 has 2 divisors, whose sum is σ = 841229850. Its totient is φ = 841229848.

The previous prime is 841229821. The next prime is 841229911. The reversal of 841229849 is 948922148.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705274249 + 135955600 = 26557^2 + 11660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-841229849 is a prime.

It is not a weakly prime, because it can be changed into another prime (841229749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420614924 + 420614925.

It is an arithmetic number, because the mean of its divisors is an integer number (420614925).

Almost surely, 2^841229849 is an apocalyptic number.

It is an amenable number.

841229849 is a deficient number, since it is larger than the sum of its proper divisors (1).

841229849 is an equidigital number, since it uses as much as digits as its factorization.

841229849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The square root of 841229849 is about 29003.9626430597. The cubic root of 841229849 is about 943.9990517712. Note that the first 3 decimals are identical.

The spelling of 841229849 in words is "eight hundred forty-one million, two hundred twenty-nine thousand, eight hundred forty-nine".