849324173 has 2 divisors, whose sum is σ = 849324174. Its totient is φ = 849324172.

The previous prime is 849324103. The next prime is 849324209. The reversal of 849324173 is 371423948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607770409 + 241553764 = 24653^2 + 15542^2 .

It is a cyclic number.

It is not a de Polignac number, because 849324173 - 2¹⁰ = 849323149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849324173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849324103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424662086 + 424662087.

It is an arithmetic number, because the mean of its divisors is an integer number (424662087).

Almost surely, 2^849324173 is an apocalyptic number.

It is an amenable number.

849324173 is a deficient number, since it is larger than the sum of its proper divisors (1).

849324173 is an equidigital number, since it uses as much as digits as its factorization.

849324173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 849324173 is about 29143.1668320380. The cubic root of 849324173 is about 947.0171159328.

The spelling of 849324173 in words is "eight hundred forty-nine million, three hundred twenty-four thousand, one hundred seventy-three".