1084349851217 has 2 divisors, whose sum is σ = 1084349851218. Its totient is φ = 1084349851216.

The previous prime is 1084349851159. The next prime is 1084349851253. The reversal of 1084349851217 is 7121589434801.

It is a happy number.

1084349851217 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., 882996623041 + 201353228176 = 939679^2 + 448724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084349851217 - 2⁶ = 1084349851153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1084349851267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542174925608 + 542174925609.

It is an arithmetic number, because the mean of its divisors is an integer number (542174925609).

Almost surely, 2^{1084349851217} is an apocalyptic number.

It is an amenable number.

1084349851217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084349851217 is an equidigital number, since it uses as much as digits as its factorization.

1084349851217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 1084349851217 in words is "one trillion, eighty-four billion, three hundred forty-nine million, eight hundred fifty-one thousand, two hundred seventeen".