9865034173 has 2 divisors, whose sum is σ = 9865034174. Its totient is φ = 9865034172.

The previous prime is 9865034147. The next prime is 9865034183. The reversal of 9865034173 is 3714305689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9852944644 + 12089529 = 99262^2 + 3477^2 .

It is a cyclic number.

It is not a de Polignac number, because 9865034173 - 2¹³ = 9865025981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9865034143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4932517086 + 4932517087.

It is an arithmetic number, because the mean of its divisors is an integer number (4932517087).

Almost surely, 2^9865034173 is an apocalyptic number.

It is an amenable number.

9865034173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9865034173 is an equidigital number, since it uses as much as digits as its factorization.

9865034173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 9865034173 is about 99322.8783966715. The cubic root of 9865034173 is about 2144.6982528974.

The spelling of 9865034173 in words is "nine billion, eight hundred sixty-five million, thirty-four thousand, one hundred seventy-three".