844849043 has 2 divisors, whose sum is σ = 844849044. Its totient is φ = 844849042.

The previous prime is 844849021. The next prime is 844849069. The reversal of 844849043 is 340948448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844849043 - 2¹⁰ = 844848019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844848985 and 844849003.

It is not a weakly prime, because it can be changed into another prime (844849073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422424521 + 422424522.

It is an arithmetic number, because the mean of its divisors is an integer number (422424522).

Almost surely, 2^844849043 is an apocalyptic number.

844849043 is a deficient number, since it is larger than the sum of its proper divisors (1).

844849043 is an equidigital number, since it uses as much as digits as its factorization.

844849043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 844849043 is about 29066.2870521847. The cubic root of 844849043 is about 945.3508930861.

The spelling of 844849043 in words is "eight hundred forty-four million, eight hundred forty-nine thousand, forty-three".