6461834173 has 2 divisors, whose sum is σ = 6461834174. Its totient is φ = 6461834172.

The previous prime is 6461834129. The next prime is 6461834177. The reversal of 6461834173 is 3714381646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5032767364 + 1429066809 = 70942^2 + 37803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6461834173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6461834177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230917086 + 3230917087.

It is an arithmetic number, because the mean of its divisors is an integer number (3230917087).

Almost surely, 2^6461834173 is an apocalyptic number.

It is an amenable number.

6461834173 is a deficient number, since it is larger than the sum of its proper divisors (1).

6461834173 is an equidigital number, since it uses as much as digits as its factorization.

6461834173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 6461834173 is about 80385.5346004491. The cubic root of 6461834173 is about 1862.5957296140.

The spelling of 6461834173 in words is "six billion, four hundred sixty-one million, eight hundred thirty-four thousand, one hundred seventy-three".