617117918810773 has 2 divisors, whose sum is σ = 617117918810774. Its totient is φ = 617117918810772.

The previous prime is 617117918810711. The next prime is 617117918810791. The reversal of 617117918810773 is 377018819711716.

617117918810773 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., 572894660707524 + 44223258103249 = 23935218^2 + 6650057^2 .

It is a cyclic number.

It is not a de Polignac number, because 617117918810773 - 2¹⁷ = 617117918679701 is a prime.

It is a super-2 number, since 2×617117918810773² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 617117918810699 and 617117918810708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617111918810773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308558959405386 + 308558959405387.

It is an arithmetic number, because the mean of its divisors is an integer number (308558959405387).

Almost surely, 2^{617117918810773} is an apocalyptic number.

It is an amenable number.

617117918810773 is a deficient number, since it is larger than the sum of its proper divisors (1).

617117918810773 is an equidigital number, since it uses as much as digits as its factorization.

617117918810773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24893568, while the sum is 67.

The spelling of 617117918810773 in words is "six hundred seventeen trillion, one hundred seventeen billion, nine hundred eighteen million, eight hundred ten thousand, seven hundred seventy-three".