1017776935849 has 2 divisors, whose sum is σ = 1017776935850. Its totient is φ = 1017776935848.

The previous prime is 1017776935837. The next prime is 1017776935853. The reversal of 1017776935849 is 9485396777101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552707494249 + 465069441600 = 743443^2 + 681960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017776935849 - 2²⁹ = 1017240064937 is a prime.

It is a super-2 number, since 2×1017776935849² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1017776935949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508888467924 + 508888467925.

It is an arithmetic number, because the mean of its divisors is an integer number (508888467925).

Almost surely, 2^{1017776935849} is an apocalyptic number.

It is an amenable number.

1017776935849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017776935849 is an equidigital number, since it uses as much as digits as its factorization.

1017776935849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80015040, while the sum is 67.

The spelling of 1017776935849 in words is "one trillion, seventeen billion, seven hundred seventy-six million, nine hundred thirty-five thousand, eight hundred forty-nine".