8613105773 has 2 divisors, whose sum is σ = 8613105774. Its totient is φ = 8613105772.

The previous prime is 8613105731. The next prime is 8613105793. The reversal of 8613105773 is 3775013168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8612396809 + 708964 = 92803^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 8613105773 - 2²⁴ = 8596328557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8613105773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8613105793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306552886 + 4306552887.

It is an arithmetic number, because the mean of its divisors is an integer number (4306552887).

Almost surely, 2^8613105773 is an apocalyptic number.

It is an amenable number.

8613105773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8613105773 is an equidigital number, since it uses as much as digits as its factorization.

8613105773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 8613105773 is about 92806.8196470496. The cubic root of 8613105773 is about 2049.8398267081.

The spelling of 8613105773 in words is "eight billion, six hundred thirteen million, one hundred five thousand, seven hundred seventy-three".