3844605493 has 2 divisors, whose sum is σ = 3844605494. Its totient is φ = 3844605492.

The previous prime is 3844605491. The next prime is 3844605563. The reversal of 3844605493 is 3945064483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3825051409 + 19554084 = 61847^2 + 4422^2 .

It is an emirp because it is prime and its reverse (3945064483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3844605493 - 2¹ = 3844605491 is a prime.

Together with 3844605491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3844605491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922302746 + 1922302747.

It is an arithmetic number, because the mean of its divisors is an integer number (1922302747).

Almost surely, 2^3844605493 is an apocalyptic number.

It is an amenable number.

3844605493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3844605493 is an equidigital number, since it uses as much as digits as its factorization.

3844605493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 3844605493 is about 62004.8828157912. The cubic root of 3844605493 is about 1566.5728443940.

The spelling of 3844605493 in words is "three billion, eight hundred forty-four million, six hundred five thousand, four hundred ninety-three".