3845317069457 has 2 divisors, whose sum is σ = 3845317069458. Its totient is φ = 3845317069456.

The previous prime is 3845317069313. The next prime is 3845317069511. The reversal of 3845317069457 is 7549607135483.

3845317069457 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., 3431204227201 + 414112842256 = 1852351^2 + 643516^2 .

It is a cyclic number.

It is not a de Polignac number, because 3845317069457 - 2¹⁰ = 3845317068433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3845317069457.

It is not a weakly prime, because it can be changed into another prime (3845317068457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922658534728 + 1922658534729.

It is an arithmetic number, because the mean of its divisors is an integer number (1922658534729).

Almost surely, 2^{3845317069457} is an apocalyptic number.

It is an amenable number.

3845317069457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845317069457 is an equidigital number, since it uses as much as digits as its factorization.

3845317069457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 3845317069457 in words is "three trillion, eight hundred forty-five billion, three hundred seventeen million, sixty-nine thousand, four hundred fifty-seven".