842941049 has 2 divisors, whose sum is σ = 842941050. Its totient is φ = 842941048.

The previous prime is 842941027. The next prime is 842941063. The reversal of 842941049 is 940149248.

842941049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 831918649 + 11022400 = 28843^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 842941049 - 2¹⁶ = 842875513 is a prime.

It is a super-2 number, since 2×842941049² = 1421099224178440802, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 842940997 and 842941015.

It is not a weakly prime, because it can be changed into another prime (842941019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421470524 + 421470525.

It is an arithmetic number, because the mean of its divisors is an integer number (421470525).

Almost surely, 2^842941049 is an apocalyptic number.

It is an amenable number.

842941049 is a deficient number, since it is larger than the sum of its proper divisors (1).

842941049 is an equidigital number, since it uses as much as digits as its factorization.

842941049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 842941049 is about 29033.4470740214. The cubic root of 842941049 is about 944.6387014084.

The spelling of 842941049 in words is "eight hundred forty-two million, nine hundred forty-one thousand, forty-nine".