3844389083641 has 2 divisors, whose sum is σ = 3844389083642. Its totient is φ = 3844389083640.

The previous prime is 3844389083551. The next prime is 3844389083669. The reversal of 3844389083641 is 1463809834483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3214207138041 + 630181945600 = 1792821^2 + 793840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3844389083641 - 2²⁹ = 3843852212729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3844389083641.

It is not a weakly prime, because it can be changed into another prime (3844389083671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922194541820 + 1922194541821.

It is an arithmetic number, because the mean of its divisors is an integer number (1922194541821).

Almost surely, 2^{3844389083641} is an apocalyptic number.

It is an amenable number.

3844389083641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3844389083641 is an equidigital number, since it uses as much as digits as its factorization.

3844389083641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 3844389083641 in words is "three trillion, eight hundred forty-four billion, three hundred eighty-nine million, eighty-three thousand, six hundred forty-one".