1084842132817 has 2 divisors, whose sum is σ = 1084842132818. Its totient is φ = 1084842132816.

The previous prime is 1084842132809. The next prime is 1084842132833. The reversal of 1084842132817 is 7182312484801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074972902481 + 9869230336 = 1036809^2 + 99344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084842132817 - 2³ = 1084842132809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1084842132877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542421066408 + 542421066409.

It is an arithmetic number, because the mean of its divisors is an integer number (542421066409).

Almost surely, 2^{1084842132817} is an apocalyptic number.

It is an amenable number.

1084842132817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084842132817 is an equidigital number, since it uses as much as digits as its factorization.

1084842132817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 1084842132817 in words is "one trillion, eighty-four billion, eight hundred forty-two million, one hundred thirty-two thousand, eight hundred seventeen".